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Firefox
Fix slowness, crashing, error...

Fix slowness, crashing, error messages and other problems

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How to troubleshoot time related errors on secure websites

Refresh Firefox - reset add-ons and settings

How to troubleshoot security error codes on secure websites

How to reset the default user agent on Firefox

Rate your Firefox experience, surveys and out of date messages (Heartbeat)

Report breakage due to blocking

Website will not allow Firefox to display the page if another site has embedded it

Use the Troubleshooting Information page to help fix Firefox issues

Certificate Pinning Reports

What do the SSLv3 error messages mean on Firefox?

Accessibility not available during multi-process support

Re-enable multi-process support disabled by Windows utilities

64-bit Firefox crashes with Citrix's XenApp VM

Task Manager - see what tabs or extensions are slowing down Firefox

How to fix Pocket login issues

How to disable the Enterprise Roots preference

Firefox keeps asking me for Primary Password

Why is each open Firefox tab showing up in the Windows volume mixer?

Unable to download files in Windows 10 when Parental Controls are on

Compatibility with Exploit protection on Windows

What happened to Firefox Send?

CCleaner is deleting Firefox extension settings in Firefox 79

Twitter isn't working on Firefox

How to fix an error when trying to open Telegram or Slack on Firefox

What to do when searches take you to the wrong search website

Troubleshoot Firefox crashes (closing or quitting unexpectedly)

Firefox is stuck in Troubleshoot Mode

Firefox repeatedly opens empty tabs or windows after you click on a link

Reset your Primary Password if you've forgotten it

Firefox keeps crashing at startup

Fix printing problems in Firefox

Avoid crashes - Tips and tricks

Latest Firefox issues

Problems with email and how to find help

Wrong home page opens when I start Firefox - How to fix

Fix video and audio playback problems on Firefox for Windows

Home page with pipe character opens extra tabs when Firefox starts

Can't add, change or save bookmarks - How to fix

How to run Firefox when your profile is missing or inaccessible

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