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

Attempted upgrade to 3.0.19, failed and deleted the .exe. Have downloaded 3.6.3, can I install over old, retain old profiles?

more options

I received msgs that my version was not supported, to upgrade to 3.0.19. The upgrade failed and deleteda the old Firefox.exe; now no browser. I downloaded the 3.6.3, can I install over the older, corrupted version and use my old profiles?

User Agent

Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 5.1; Trident/4.0; .NET CLR 1.1.4322; .NET CLR 2.0.50727; .NET CLR 3.0.04506.30; .NET CLR 3.0.4506.2152; .NET CLR 3.5.30729)

I received msgs that my version was not supported, to upgrade to 3.0.19. The upgrade failed and deleteda the old Firefox.exe; now no browser. I downloaded the 3.6.3, can I install over the older, corrupted version and use my old profiles? == User Agent == Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 5.1; Trident/4.0; .NET CLR 1.1.4322; .NET CLR 2.0.50727; .NET CLR 3.0.04506.30; .NET CLR 3.0.4506.2152; .NET CLR 3.5.30729)

Chosen solution

Yes, just install it. It should find and use your current Profile.

Read this answer in context 👍 0

All Replies (1)

more options

Chosen Solution

Yes, just install it. It should find and use your current Profile.