I just installed Firefox 4, and the back and forward buttons are greyed out. Also I am no longer able to refresh a page.
After recently installing Firefox 4, the back and forward buttons appear to be greyed out (clicking them is not an option, when I go to a new page it's as if I opened a new one.) I also cannot refresh any pages.
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This can be a problem with the file places.sqlite that stores the bookmarks and the history.
I just followed those instructions (deleting the "places.sqlite" file from the profiles folder, but still, nothing!
Any other ideas?
I had that problem. If you're running McAfee SiteAdvisor, disable it and restart Firefox.
McAfee is working on a fix, according to their support forum.
I'm not running McAfee... Here is all my troubleshooting info:
Application Basics
Name Firefox
Version 4.0
User Agent Mozilla/5.0 (Macintosh; Intel Mac OS X 10.5; rv:2.0) Gecko/20100101 Firefox/4.0
Profile Directory
Show in Finder
Enabled Plugins
about:plugins
Build Configuration
about:buildconfig
Extensions
Name
Version
Enabled
ID
StumbleUpon 3.81 true {AE93811A-5C9A-4d34-8462-F7B864FC4696}
Modified Preferences
Name
Value
accessibility.typeaheadfind.flashBar 0
browser.history_expire_days.mirror 180
browser.places.importBookmarksHTML false
browser.places.importDefaults false
browser.places.leftPaneFolderId -1
browser.places.migratePostDataAnnotations false
browser.places.smartBookmarksVersion 2
browser.places.updateRecentTagsUri false
browser.startup.homepage http://www.searchslate.com/wp.ashx?ref=home&id=149
browser.startup.homepage_override.buildID 20110318052756
browser.startup.homepage_override.mstone rv:2.0
browser.tabs.warnOnClose false
extensions.lastAppVersion 4.0
network.cookie.prefsMigrated true
network.http.pipelining true
network.http.pipelining.maxrequests 10
network.http.proxy.pipelining true
places.history.expiration.transient_current_max_pages 56371
print.macosx.pagesetup-2 AAAZtzw/eG1sIHZlcnNpb249IjEuMCIgZW5jb2Rpbmc9IlVURi04Ij8+CjwhRE9DVFlQRSBwbGlzdCBQVUJMSUMgIi0vL0FwcGxlLy9EVEQgUExJU1QgMS4w…
print.print_bgcolor false
print.print_bgimages false
print.print_command
print.print_downloadfonts false
print.print_evenpages true
print.print_in_color true
print.print_margin_bottom 0.5
print.print_margin_left 0.5
print.print_margin_right 0.5
print.print_margin_top 0.5
print.print_oddpages true
print.print_orientation 0
print.print_pagedelay 500
print.print_paper_data 0
print.print_paper_height 11.00
print.print_paper_size_type 1
print.print_paper_size_unit 0
print.print_paper_width 8.50
print.print_printer
print.print_reversed false
print.print_scaling 1.00
print.print_shrink_to_fit false
print.print_to_file false
print.print_unwriteable_margin_bottom 56
print.print_unwriteable_margin_left 25
print.print_unwriteable_margin_right 25
print.print_unwriteable_margin_top 25
privacy.sanitize.migrateFx3Prefs true
privacy.sanitize.timeSpan 0
security.warn_viewing_mixed false
Graphics
Adapter Description 0x22600,0x20400
Vendor ID 0000
Device ID 0000
Adapter RAM
Adapter Drivers
Driver Version
Driver Date
Direct2D Enabled false
DirectWrite Enabled false
WebGL Renderer (WebGL unavailable)
GPU Accelerated Windows 0/1