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

Lolu chungechunge lwabekwa kunqolobane. Uyacelwa ubuze umbuzo omusha uma udinga usizo.

can't install fire fox windows 7. I have tried the full version and still get the message can't load config info

  • 2 uphendule
  • 1 inale nkinga
  • 1 view
  • Igcine ukuphendulwa ngu Shadow110

more options

I can't install fire fox on my system. I have removed all old versions and files and downloaded the full version but on install I get the message can't install config info

I can't install fire fox on my system. I have removed all old versions and files and downloaded the full version but on install I get the message can't install config info

All Replies (2)

more options

HI please try this : *Repair System Registry and Files Find the Dos Prompt or Powershell then Right Click and Run as Administrator then : Copy/Paste to Dos Window : SFC /Scannow (SFC<space>/Scannow) then hit Enter. Reboot when completed.

Then if have already the full version installer from : https://www.mozilla.org/firefox/all/

Right Click the File and Install as Administrator please.

Please let us know if this solved your issue or if need further assistance.

more options

Please look for any Mozilla Folders in C:\Program Files , C:\Program Files(x86) & C:\ProgramData and delete them. Before trying the install.