Join the Mozilla’s Test Days event from 9–15 Jan to test the new Firefox address bar on Firefox Beta 135 and get a chance to win Mozilla swag vouchers! 🎁

Avatar for Username

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

Hierdie gesprek is in die argief. Vra asseblief 'n nuwe vraag as jy hulp nodig het.

The bookmarks and history system will not be functional because one of Firefox's files is in use by another application. Some security software can cause this problem

  • 1 antwoord
  • 15 hierdie probleem
  • 1 view
  • Laaste antwoord deur cor-el

paulfaust
paulfaust
more options

Upon opening Firefox, I get a red banner across the top saying:

The bookmarks and history system will not be functional because one of Firefox's files is in use by another application. Some security software can cause this problem

I cannot use the back and forward buttons, either.

I have tried all the solutions in your troubleshooting page, and have even uninstalled and reinstalled Firefox. Nothing works.

Upon opening Firefox, I get a red banner across the top saying: The bookmarks and history system will not be functional because one of Firefox's files is in use by another application. Some security software can cause this problem I cannot use the back and forward buttons, either. I have tried all the solutions in your troubleshooting page, and have even uninstalled and reinstalled Firefox. Nothing works.

All Replies (1)

cor-el
cor-el
  • Moderator
  • Top 10 Contributor
more options

See: