Users have experienced common sync errors like:

Firefox sync not syncing Error in about:sync-log Firefox sync is not syncing bookmarks The Firefox devices stopped sync

Users who had syncing issues sometimes experienced issues with Firefox not updating passwords. Quick Tip!If Firefox keeps causing problems, try a different browser. With Opera, you can transfer your current Mozilla Firefox preferences, bookmarks, and history in just a few clicks. To sync all your browsing data across multiple devices, you just have to create a free Opera account. Log in with your credentials on each device and you’re good to go. ⇒ Get Opera

Why is my Firefox sync not loading?

Your Devices and applications section displays a list of linked devices to the Firefox Sync account. It’s conceivable that your sync is functioning across the devices specified, but it’s not showing up on this list, and sometimes the sync is not just working. Common culprits for this error could be:

An outdated Firefox version – This feature was released on more recent versions, so they may be buggy or not work in older editions. Antivirus – Your antivirus may also be a reason for failed syncs. Not all antivirus is compatible with every Firefox feature. Breaches in your Firefox account – Data can be leaked and exposed during a breach. For this reason, if you have an unverified log-in, sync will be automatically deactivated to protect your privacy. You will need to pass a verification test to get the sync working again.

There could be a few other reasons, but our fixes should help fix the Firefox sync not working regardless of the cause.

How do I force Firefox to Sync?

1. Force close and restart your browser

End task is a feature on the Application processes tab of Windows Task Manager that lets you terminate processes that are not responding. For example, the End Task option may be used to end a frozen or non-responsive program without restarting your PC.

2. Restart the computer

If you restart your computer, it will run more smoothly. A restart clears your PC’s memory, stopping any programs consuming RAM. Furthermore, a program may eat memory long after you’ve closed it, and restarting ensures that this does not happen. This reboot can restore your computer to a perfect running condition and clear whatever issue stopped it from syncing. SPONSORED

3. Disable recently installed extensions

4. Update your browser

5. Disable your antivirus

Please note that you should turn on your antivirus again after you are done syncing.

6. Uninstall and reinstall your Firefox browser

7. Double-check for breaches

Data breaches trigger an automatic de-syncing process by Firefox. You should make sure that you reverify your account if you have experienced a breach. After the verification, you should be able to sync browsers again across your devices. If you need a helping hand, feel free to follow these steps.

🎯 How do I enable tab Sync in Firefox?

If your case is one of Firefox not syncing passwords, you should also tick the Login and passwords option.

📌 How do I enable bookmark Sync in Firefox?

This is an important setting to check for issues related to Firefox not syncing bookmarks.

How do I bypass Firefox sync unexpected errors?

If you are faced with this problem, you will probably get it fixed by restarting your PC. This has worked for most users who have encountered this issue. Computer restarts are an easy fix for many minor browsers and computer errors. And there you have it. We have tried to cover every single aspect of the issues of Firefox sync not working. While it can occur for different reasons, we encourage you to do all you can to significantly protect your data and privacy since syncing exposes your data across many gadgets. This is not the only problem you will encounter using the Firefox browser, but you should be able to fix many other Firefox general issues on Windows 11 and 10 in a few clicks.

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