592571 - firefox works very slow on windows 7

Status: RESOLVED INCOMPLETE

(Firefox :: General, defect)

Description

[wzhiqian]

User-Agent:       Mozilla/5.0 (Windows; U; Windows NT 6.1; zh-CN; rv:1.9.2.8) Gecko/20100722 Firefox/3.6.8
Build Identifier: Mozilla/5.0 (Windows; U; Windows NT 6.1; zh-CN; rv:1.9.2.8) Gecko/20100722 Firefox/3.6.8

Firefox works very slow on 64-bit win7.
When I start my computer, Firefox works fine. After openning IE by some program Firefox works very very slow. 

Reproducible: Always

Comment 1

[Tyler Downer [He/Him]]

Please give a lot more detail here. Runs slow how. Starting up? On certain webpages? Opening new windows? Give lots more detail here please.

Comment 2

[Tyler Downer [He/Him]]

Reporter, Firefox 4.0.1 has been released, and it features significant improvements over previous releases. Can you please update to Firefox 4.0.1 or later, and retest your bug? Please also create a fresh profile (
http://support.mozilla.com/kb/Managing+profiles), update your plugins (Flash, Java, Quicktime, Reader, etc) and update your graphics driver and Operating system to the latest versions available. 

If you still continue to see this issue, please comment. If you do not, please close this bug as RESOLVED > WORKSFORME

filter: prefirefox4uncobugs

Comment 3

[Wayne Mery (:wsmwk)]

Do you still see this problem when using a current version started in safe mode?
https://support.mozilla.org/en-US/kb/troubleshoot-firefox-issues-using-safe-mode?redirectlocale=en-US&redirectslug=Safe+Mode

If you still continue to see this issue, please comment. If you do not, please close this bug as RESOLVED > WORKSFORME

Comment 4

[Phoenix]

Resolved per whiteboard