Where did you install Firefox from? Help Mozilla uncover 3rd party websites that offer problematic Firefox installation by taking part in our campaign. There will be swag, and you'll be featured in our blog if you manage to report at least 10 valid reports!

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

won't open

more options

I had the windows 7 security hijak take over my computer. I installed malwarebytes and it seems to have got rid of the virus.

Now Firefox won't open.

I uninstalled and reinstalled, no luck

I uninstalled and downloaded a registry cleaner and then reinstalled - still no luck. the process shows up in my task manager but will not open.

I had the windows 7 security hijak take over my computer. I installed malwarebytes and it seems to have got rid of the virus. Now Firefox won't open. I uninstalled and reinstalled, no luck I uninstalled and downloaded a registry cleaner and then reinstalled - still no luck. the process shows up in my task manager but will not open.

All Replies (1)

more options

if you are not sure that you are still infected or not, please follow this instruction and checkup your pc