We're calling on all EU-based Mozillians with iOS or iPadOS devices to help us monitor Apple’s new browser choice screens. Join the effort to hold Big Tech to account!

This site will have limited functionality while we undergo maintenance to improve your experience. If an article doesn't solve your issue and you want to ask a question, we have our support community waiting to help you at @FirefoxSupport on Twitter and/r/firefox on Reddit.

Search Support

Avoid support scams. We will never ask you to call or text a phone number or share personal information. Please report suspicious activity using the “Report Abuse” option.

Learn More

after Win10 latest updates I was not able to open firefox

  • 1 reply
  • 1 has this problem
  • 2 views
  • Last reply by FredMcD

more options

it worked for me with: 1. navigate to C:\Program Files [(x86)]\Mozilla Firefox 2. right-click on firefox.exe 3. Troubleshoot compatibility 4. Try recommended settings 5. then click on "Test the program..." this opened firefox and after that I was able to open it from the quick launch

it worked for me with: 1. navigate to C:\Program Files [(x86)]\Mozilla Firefox 2. right-click on firefox.exe 3. Troubleshoot compatibility 4. Try recommended settings 5. then click on "Test the program..." this opened firefox and after that I was able to open it from the quick launch

Chosen solution

Are you still having a problem?

Read this answer in context 👍 0

All Replies (1)

more options

Chosen Solution

Are you still having a problem?