- Apr 24, 2020 And even though Catalina works on older Mac systems, Sidecar, as a feature, requires more modern hardware. This means you will need a late 2015 iMac 27-inch or newer, 2016 MacBook Pro or newer.
- Due to increased security and permissions with Mac OS 10.14 Mojave and 10.15 Catalina, you will be prompted to authorize the Zoom Desktop Client and Zoom Rooms to use the microphone, camera, and on Mac OS 10.15 Catalina, screen recording. You will also be prompted to allow the Zoom Desktop Client to allow others to remotely control your desktop.
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Need to move Bookmarks, Extensions & Add-Ons to another Mac; Text of website is missing the charakters x, y, z but only in lower case where x is not simply missing but replaced by 'If I start Firefox by clicking a link in another application or operating system a window without Menu Bar items is opened; Disable.
Firefox continues to impress reviewers and experts, who point out the browsers' efficiency, attention to detail, and impressive privacy options. That said, Firefox, just like every other browser, can experience a range of issues, from slow browsing all the way to regular crashes and everything in between.
Today we want to highlight the most common Firefox problems and provide you with simple fixes that anyone can use to get Firefox back to its best.
Firefox Slow & Freezes
A fox should not be slow, and fire should not freeze. So when Firefox is lagging and hanging, frustration sets in pretty quickly. Force quit is the go-to move, but that is a temporary relief that won’t solve an underlying Firefox issue.
Before we get to some specific solutions, make sure you’ve followed these basic principles:
Close unnecessary tabs and windows – Because each one, even if not being used, will take up system resources and slow your Mac down. Bookmark what you don’t need to come back to later.
Update Firefox – Updates contain bug fixes and performance improvements.
Recognize your Mac is getting old – Have you had your Mac for several years? Is everything slow, not just Firefox? Sometimes you have to acknowledge when age has caught up with it.
Now it’s time to go over some specific solutions to help Firefox problems on Mac. These will help even if your Mac is an old-timer.
Clean up Firefox (and your macOS)
If Firefox keeps freezing or is just generally sluggish, it could be the result of a browser that has too much history, cache, and other “temporary” files clinging to the ankles of your once mighty Fox. Luckily, getting rid of this extra burden is simple. Even if it doesn’t completely fix your browser speed, it will still be great for your system.
To manually clear your search history, Firefox caches and other unneeded browser files:
- Navigate to History > Clear Recent History
- Click on Details to reveal the full list
- Check what you want to remove
- Make sure “Time range” is set to Everything
- Click Clear Now
Another way to speed up Firefox along and your macOS, in general, is to use CleanMyMac X. In a couple of quick clicks the app will find and, with your approval, remove unneeded system files from all over your macOS - including your Firefox cache and browser history.
To clean up Firefox caches, and other browser junk the easy way:
- Download CleanMyMac X for free and run it
- Select System Junk tab
- Click Scan
- Click Clean
Firefox Crashing
Foxes are elegant and agile creatures, which is to say that when there is an obstacle, they should evade it smoothly, not crash into the thing.
When Firefox doesn’t load or crashes, this makes us incredibly sad. Thankfully, we have some solutions to get Firefox back on its feet.
Identify problematic Firefox add-ons
In a terrible murder mystery, the cliché is that “the butler did it.” Well, when Firefox is crashing regularly, it’s tempting to say “the add-on did it.”
Plugins and extensions add so much to our browser experience, but they are also a common cause of problems. To start with, make sure each extension and plugin is up-to-date. Firefox even has an official plugin checker.
If everything checks out but Firefox keeps crashing, we recommend running it in Safe Mode. This will load Firefox without any add-ons.
To start Firefox in Safe Mode:
- Click the Firefox menu button
- Click Help
- Select Restart with Add-ons Disabled
You can also launch Firefox while holding the Shift key to start in Safe Mode.
If the crashes go away in Firefox Safe Mode, then you know the butler add-on did it.
So we know that an add-on is causing the crashes, now what?
You should disable all your ad-ons and turn them back on one at a time. This way you can methodically find the guilty add-on.
To manage your Firefox add-ons follow these steps:
- Click the Firefox menu button
- Select Add-ons > Extensions or Appearance
- Disable or enable as you like
- Restart Firefox
Firefox crashes on startup
Wallpapers for mac os mojave. Uh-oh. Firefox won’t even start?
Don’t worry; it may seem like “the worst thing that could have ever happened to anyone” but the solution is often easier than you’d expect. Begin by holding the Shift key when launching Firefox to start in Safe Mode.
If this works then chances are you have a dodgy extension. Follow the steps from Identify problematic Firefox add-ons.
However, if Safe Mode isn’t working either, you’re going to have to uninstall and reinstall Firefox.
To manually reinstall Firefox:
- Make sure the application is closed
- Drag the application to your Trash
- Empty your Trash
- Download the latest version of Firefox for Mac
- Install Firefox
This will repair Firefox will keeping your profile including bookmarks and settings.
An easier and safer option is to use CleanMyMac’s Uninstaller to repair Firefox with a reset:
- Launch CleanMyMac and click on Uninstaller
- Click on Mozilla Firefox
- Click on a small arrow next to Firefox icon
- Click Application Reset
Firefox not loading pages
You had one job, Firefox!
When web pages don’t open, it’s more than a little annoying, considering that’s the main task of a browser. But let’s not jump to conclusions, maybe Firefox isn’t to blame.
The first step is to open a new tab and try other sites. If they aren’t loading either, the second step would be to try another browser like Safari and see if the web pages load there.
If they do then the problem is with Firefox.
Let’s Firefix it!
Proxy problems
If you’re using a proxy server to browse the web, it could be the problem that’s stopping Firefox from loading pages. It’s easy to check, simply follow these steps:
- Click on the Firefox menu
- Navigate to Options > Advanced > Network
- Click on Settings under Connection
- Select No Proxy
- Close options and reload web pages
Clear cookies and cache
In Clean up Firefox (and your MacOS) we covered how to clear your cache and once again it could be the solution to your Firefox problem. Also, this time we suggest also cleaning Cookies, whether using the manual methods or the easier CleanMyMac methods.
Firefox setup tips
We wanted to share a few tips to help you get even more out of your Firefox experience.
Keep your privacy intact
If you go to Preferences > Privacy > History you can use “Custom settings for history” from the dropdown. Now you can personally decide exactly what Firefox remembers.
Ask for permission
We’ve talked a lot about the problems with add-ons. A great tip is to navigate to Tools > Add-ons and from the dropdown next to each add-on, select “ask to activate”. Some people won’t like the extra step; others will love knowing exactly what their add-ons are up to.
Monitor Mozilla
If your Firefox performance is important, you could try turning on Enable Firefox Health Report by going to Option > Advanced > Data Choices. Now when you click Learn More you will see an overview of your browser’s stability and performance.
Find Text
All browsers have an option to find text on a web page but Firefox has a setting (Options > Advanced> Search for text when I start typing) that allows you to immediately type and find matching text.
Firefox Firefixed!
There you have it. Your Firefox should now be jumping, skipping, spinning…okay, I honestly have no idea what foxes do. But I do know that by using the manual solutions and quick fixes from CleanMyMac X, your Firefox browser should be stable and performing better than ever.
To keep it that way, bookmark this page for reference and be sure to follow best practices like clearing cache, closing unneeded tabs, and checking for updates.
Do all this, and your fox will remain on fire for a long time to come.
These might also interest you:
Make your Mac invincible
After summer comes macOS. This long-standing tradition started by Apple is the most exciting moment of the year — seeing your Macs improve and gain new bells and whistles. In 2019, we’re welcoming Catalina, the 10.15 version of macOS named after Catalina island in California. Apparently, it’s hot.
The operating system boasts a whole lot of new macOS features like Sidecar, iOS apps porting, and major Photos update. To try the features right away, you can install Catalina from the Software Update tab.
However, be prepared for some troubleshooting. The acquaintance with the new macOS doesn’t always go smooth — and with macOS 10.15 deeming support for lots of software, many things will not go smooth. We’ve collected the key macOS Catalina issues you may encounter, along with the ways to fix them.
macOS 10.15 Catalina problems and their fixes
Giving up Catalina is a decision you can choose to make. But before rolling back, ensure you use every bit of advice as to how you can fix the common problems. Sometimes, a quick fix can solve your concerns.
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Problems with macOS Catalina you can solve:
macOS 10.15 Catalina won’t install
This is the classic problem that arises with every macOS release: The installation won’t start or you face the “Catalina installation stuck” problem — when it freezes and you see no progress on the install. No matter how many times you start over, you keep getting an error trying to install Catalina.”
How to fix:
Apple recommends to reset SMC. Shut down your Mac, and hold Shift + Ctrl + Option + Power button for about 10 seconds, with your cable plugged in. Click on the power button and wait for your Mac to start up.
Try resetting NVRAM or PRAM. Shut down your Mac, and hold Option + Command + P + R for about 20 seconds. Wait for your computer to restart.
Reinstall from macOS recovery. Hold Option + Command + R to reinstall. Once you see the startup screen, start the installation again.
Some users reported they were prompted to enter administrator password several times to complete the installation. So it might be something for you to try as well.
In most cases, macOS Catalina cannot be installed on Macintosh HD, because it doesn’t have enough disk space. If you install Catalina on top of your current operating system, the computer will keep all the files and still need free space for Catalina. So the easiest fix would be to clean up your system with CleanMyMac X before upgrading. All the system junk, app leftovers, and unneeded files will go away in a minute.
Backup your disk and run a clean install. This will wipe away your current system files, leaving space for macOS Catalina — so yes, this option is for the brave. If you use a solid backup solution, you’ll keep your data safe, though. Get Backup Pro is a nice way to do it — unlike Apple’s Time Machine, the app allows running bootable backups.
Say you’ve cleared up and backed up your disk. But your Mac still gets stuck at the installation and shows “not enough space” error, so you can’t get out of the cycle. In this case, there’s another fix you can try:
Reinstall Mojave. No worries, this won’t delete your disk. Reboot your Mac and hold Command + R to enter the Recovery Mode. Click Reinstall macOS.
Restore from your backup. If you have a Time Machine backup, enter the Recovery Mode again and select “Restore from Time Machine Backup.” Select the backup from the list and restore your files.
Some users also report they tried to reboot into Safe Mode and take the installation from there; the others used a newly created admin user — but most attempts have been unsuccessful.
We must agree that macOS 10.15 is one of the slowest systems in terms of installation. But if you use the hacks described above and have a little patience, you’ll be able to get to the “Catalina installed” point.
If you can’t login after upgrading to Catalina
There’s a known problem of failing to login after the installation. Unfortunately, the only way to fix it — at least for now — would be to roll back to Mojave:
Clean up your Mac with CleanMyMac X and backup your data.
Save passwords to ensure you don’t lose license keys and settings.
Create a bootable installer of Mojave (after Catalina goes public, you can download Mojave here).
Delete macOS Catalina: Apple menu > Restart > Command + R > Disk Utility > your startup disk > Erase.
One of the things Mac users are particularly excited about is the new Sidecar feature. It comes as a handy solution for those wanting to expand their workspaces. You can either mirror your Mac’s screen to iPad or use your iPad’s screen as an extension of a Mac.
If the only reason you’re here is because you want Sidecar, we have to warn you it might not work with your new macOS. Reddit is full of user reports about the feature unavailable on macOS Catalina. Most likely, this is the issue of compatibility.
How to fix:
Here are the ways to fix Sidecar problems:
Get the new iPadOS 13. Unfortunately, macOS Catalina doesn’t work with iPadOS 12. So basically, you have to use the recent operating systems if you want to try Sidecar.
Make sure your Mac is one of the compatible devices. Sidecar works on:
- 2019 Mac Pro
- Late 2018 Mac mini +
- Late 2018 MacBook Air +
- 2017 iMac Pro
- Mid 2016 MacBook Pro +
- Early 2016 MacBook +
- Late 2015 iMac +
Try connecting your iPad with a cable. With Sidecar, you should be able to connect your iPad wirelessly. If this doesn’t work, the cable might solve the issue.
Battery drain on macOS Catalina
Many of the previous macOS releases were known for battery life concerns — greedy apps, Safari and Chrome draining battery, or power-saving not working. There has been no major battery drain issues reported by the Catalina users so far.
How to fix:
Just to make sure you don’t encounter the problem as well, here are a few precautions:
Check for apps that use significant energy. For a quick insight, check Apple’s in-built Activity Monitor. It shows the “Energy impact” for every application — calculated based on CPU, network usage, and other factors.
Have a solution for battery health monitoring. iStat Menus is a perfect fit if you need detailed analytics on disk activity, CPU usage, battery life, memory load, and much more. The app shows all the data right in your menu bar. Plus, you can customize what’s being monitored flexibly.
Use Screen Time to limit the use of apps. This is the brand-new app on macOS Catalina, which helps you live a healthier Mac user life. Set time limits for the use of specific apps or app categories and schedule downtime. The main goal is to track how much time you spend on the computer, but you can also use it to optimize battery life on Mac.
Apps not working on macOS Catalina
In the attempt to speed up your Mac’s performance, Apple is killing 32-bit app architecture with the release of Catalina. This means you have to switch to 64-bit, for good. You might see the messages like this when trying to launch an app:
The chances are it’s one of the oldies.
How to fix:
CleanMyMac X can pretty much solve every app problem on macOS Catalina.
Uninstall all 32-bit apps in a click
No more digging through the settings. Download CleanMyMac X and batch uninstall every outdated app on Mac.
Use Updater to search available app updates. Maybe the app is not working, because it needs upgrading. If you’ve missed the update notification, you won’t know about this. To solve the issue, CleanMyMac X will show you the full list of apps with available updates from developers. The best thing is you can run a batch update right in the app.
Uninstaller gives you an easy way to reset or get rid of 32-bit apps. The Apple way of checking for 32-bit applications is quite easy: access About This Mac > System report > Applications. However, once you find apps with the outdated architecture, you’ll have to go and uninstall each of them separately. The Uninstaller feature in CleanMyMac X simplifies things for you — filter by 32-bit and get rid of each of them.
- If there’s no particular reason an app misbehaves, try resetting it. Guess what, CleanMyMac X has it covered too. In Uninstaller, click on the arrow button next to the app and choose Reset. As easy as that.
While app notarization takes time, you can expect many apps being unavailable after the release of Catalina. This doesn’t mean they are gone for good, though. Contact developers or follow official developer announcements to find out about compatibility plans.
OneDrive client problems on Catalina
Due to Catalina’s new security settings, Microsoft’s OneDrive may have a problem accessing your drive — even if you allow a full access. This is because macOS 10.15 comes with two disk volumes by default.
How to fix:
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There are no surefire fixes just yet, but you can try to troubleshoot OneDrive by setting it up from the very beginning. This worked for some users, according to the Reddit discussion:
Unlink your account and quit OneDrive.
Remove OneDrive client from your Mac and delete the folder.
Set up OneDrive again and make sure you allow full disk access in Security & Privacy.
iCloud problems on macOS Catalina
The most common issue with iCloud is that users are unable to download their folders. You can try downloading iCloud files separately — but that’s going to be a pain if you have an extensive library.
How to fix:
The best fix would be using Forklift app for your file management. The app is Catalina-ready and allows connecting local drives, Dropbox, iCloud, and tons of other storage sites.
If you’re setting up iCloud, there might be another issue standing in your way: Not being able to agree to the Terms and Conditions. The window will just keep popping up on your screen. An easy way to fix this would be to access System Preferences > Internet Accounts and then click on the iCloud icon. You’ll see a static Terms and Conditions window — click Accept and you’re good to go.
Replacing iTunes on Catalina
The new macOS 10.15 brought along the end of iTunes and the birth of the new Music app. Basically, it looks the same — but with music-only content. There’s a huge difference for people who rely on syncing Apple Music with third-party apps. The new app doesn’t support XML file support, which makes playlist syncing impossible across many apps. So if you use Apple Music for DJing, you’ll definitely have a problem.
How to fix:
The only fix to suggest here would be to stay away from Catalina if you need your XML apps to work with iTunes.
Music library issues
New Music app keeps freezing
There have been reports about the new music app freezing on Mac. Well, it’s the first splitting of iTunes, so it’s no wonder it doesn’t go smooth. In most cases, your Mac will keep showing the “library updating” status.
How to fix:
Create a backup of your entire music library.
Move your music out of the music folder.
Go to ~/Library and remove every file related to “Music” and “iTunes.”
Delete music caches in ~/Library/Caches.
Restart your Mac and try to access the library again. It should be working now.
Memory usage problems with Apple Music app
Another problem you may come across is the Music app eating too much of your space. One user wrote the app used over 30GB of memory on his Mac.
How to fix:
Apparently, the problem is related to the memory management of Album Art. It is getting better, though. According to user reports, memory usage goes back to normal after restarting the app.
Mail search is broken
According to forum posts, your mailbox might get pretty messy after the upgrade — with no search functionality whatsoever. So if you try searching by keywords or recipient/sender name, the app will keep showing the numerical number of results. The reason could be the new Spotlight integration.
How to fix:
Open System Preferences > Internet accounts and remove your mail account.
Restart your computer and once again add your mail account to the app.
Try searching through your emails — it should be working now.
There have also been some early reports about emails missing from the Mail app — so you might want to wait for it to get fixed before upgrading, especially if you rely on Apple Mail.
Slowing down and overheating macOS Catalina problems
So here’s the thing: macOS Catalina should be faster than Mojave. 32-bit architecture was one of the things slowing an operating system down. It’s gone, and so are the issues with slow apps. Unfortunately, you can expect your Mac go slow and overheat anyway.
How to fix:
Too many login items often cause your Mac to go slow. To eliminate the problem, disable apps from launching at startup. Go to System Preferences > Users & Groups > Login Items. Check the apps you don’t want to run at startup and click on the minus button.
Reset SMC. This is a universal fix that helps solve the issues with overheating, battery life, slow Mac, and more. The process is pretty simple and doesn’t impose any risks of losing your data. To reset, shut down your Mac, but leave a charger plugged in. Hold Shift + Ctrl + Option + Power button for about 10 seconds. Click on the power button and wait for your Mac to start up.
Dock disappearing on macOS Catalina
On the Apple forum, people mentioned Dock disappearing from their screen after upgrading to Catalina. The nature of this mistake is unknown — some users connect it to PRAM resetting, the others say they had the issue when trying to work across two screens.
How to fix:
Try Option + Command + D. If it doesn’t work for you, do the following:
Go to Settings > Dock
Change the Dock’s size so that it starts flickering
Change the hide/show settings
Customize the Dock’s position on screen (you can do it randomly).
Close the window and check whether it’s working now.
Internet not working after upgrading to Catalina
If you’re putting macOS 10.15 over your current system, you’re likely to encounter Internet connection problems.
How to fix:
The radical way would be to clean install macOS Catalina — it’s healthier for your Mac and will probably fix the issue. If you’re not ready to take a risk, try rebooting your Mac.
There has been a user report saying that Sophos caused the problem of network connection. So uninstalling it may be a fix as well.
Bluetooth not available on macOS Catalina
Well, that’s a problem. Definitely a huge one if you use AirPods. Deleting your Bluetooth.plist files might be the way to solve this.
How to fix:
Open Finder > Go > Go to Folder
Type Library/Preferences
Find a file with the name “com.Apple.Bluetooth.plist” and delete it.
Safari extensions not working
While Apple is trying to transition to iOS-compatible extensions, it gradually deems support for many web extensions formats. On Catalina, you’ll face the problem with .safariextz files not working.
How to fix:
Just like with 32-bit apps, there’s no way to fix the missing extensions. If you can’t find a good alternative, you can switch to Chrome or another browser.
Storage filling up too fast
If you notice unusual storage filling up progress, this might mean your Mac captured too many redundant files during the Catalina installation. In most cases, these are APFS files and Time Machine backups.
How to fix:
If you can use a good Time Machine alternative like Get Backup Pro throughout the upgrade, do it. Otherwise, you can remove Time Machine leftovers after installing Catalina with CleanMyMac X. In the Maintenance tab, select “Time Machine snapshots thinning,” and run a cleanup.
To remove snapshots manually, use the following Terminal commands:
1. To view the list of snapshots:
tmutil listlocalsnapshots / tmutil listlocalsnapshots /System/Volumes/Data
2. To delete snapshots:
Printer for mac yosemite. deletelocalsnapshots
Here’s a quick review of all mentioned fixes, which you can take with you:
Is macOS Catalina stable?
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The short answer is yes — if you use it right. So before you decide to downgrade back to Mojave, make sure you’ve done the following things right:
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- Backup your Mac with Get Backup Pro or any other reliable tool before running an installation.
- If you still need some of the Mojave functionality that won’t be available in Catalina, install the new macOS on partition.
- Make your Mac as clean as possible before upgrading.
- Get iPadOS 13 if you want to use the Sidecar feature.
- Get rid of 32-bit applications, even if this means killing your darlings.
- Backup your Music and then empty the folder along with music-related Library caches. The new Apple Music app is still pretty much unpredictable, so you need to ensure you don’t lose your playlist.
- CleanMyMac X is a solution for many Catalina issues, so you need it — badly. To cut the cost, you can get it through Setapp and receive extra tools like Get Backup Pro and Endurance.
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If you want to dive more into macOS Catalina bugs fixed, check out the Reddit discussion.