Firefox wont start after overnight XP patch installation

Overnight XP installed a patch and rebooted my PC. This morning I can't get Friefox to start. I looked for the xpicleanup.dat file using the instructions here (search hidden files etc) but search ends without locating the file. Does anyone know where Firefox parks this file normally? If not I am not sure what to do next?

* Start Firefox in Safe Mode by Holding down the SHIFT key while starting Firefox
* As an alternative method, select "Start -> Run" and enter one of the following in the Windows Run box:
** firefox -safe-mode
** "C:\Program Files\Mozilla Firefox\firefox.exe" -safe-mode
-> Firefox Safe Mode window will appear -> DON'T SELECT ANY OPTIONS, just click '''Continue in Safe Mode'''
-> Troubleshooting extensions and themes
* https://support.mozilla.com/en-US/kb/Troubleshooting%20extensions%20and%20themes
Check and tell if its working.

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I uninstalled and reinstalled multiple times, deleting all files including registry files but its the same issue, for the past few months i've been using Chrome and now after months of torture i want my Firefox back! Help!

* Start Firefox in Safe Mode by Holding down the SHIFT key while starting Firefox
* As an alternative method, select "Start -> Run" and enter one of the following in the Windows Run box:
** firefox -safe-mode
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-> Troubleshooting extensions and themes
* https://support.mozilla.com/en-US/kb/Troubleshooting%20extensions%20and%20themes
Check and tell if its working.

Safari wont start after i installed avi player any suggestions?

safari wont start after i installed a avi player any suggestions?

You may have installed the "VSearch" trojan. Remove it as follows.
Malware is always changing to get around the defenses against it. These instructions are valid as of now, as far as I know. They won't necessarily be valid in the future. Anyone finding this comment a few days or more after it was posted should look for more recent discussions or start a new one.
Back up all data before proceeding.
Step 1
From the Safari menu bar, select
          Safari ▹ Preferences... ▹ Extensions
Uninstall any extensions you don't know you need, including any that have the word "Spigot," "Trovi," or "Conduit" in the description. If in doubt, uninstall all extensions. Do the equivalent for the Firefox and Chrome browsers, if you use either of those.
Reset the home page and default search engine in all the browsers, if it was changed.
Step 2
Triple-click anywhere in the line below on this page to select it:
/Library/LaunchAgents/com.vsearch.agent.plist
Right-click or control-click the line and select
          Services ▹ Reveal in Finder (or just Reveal)
from the contextual menu.* A folder should open with an item named "com.vsearch.agent.plist" selected. Drag the selected item to the Trash. You may be prompted for your administrator login password.
Repeat with each of these lines:
/Library/LaunchDaemons/com.vsearch.daemon.plist
/Library/LaunchDaemons/com.vsearch.helper.plist
Restart the computer and empty the Trash. Then delete the following items in the same way:
/Library/Application Support/VSearch
/System/Library/Frameworks/VSearch.framework
~/Library/Internet Plug-Ins/ConduitNPAPIPlugin.plugin
Some of these items may be absent, in which case you'll get a message that the file can't be found. Skip that item and go on to the next one.
The problem may have started when you downloaded and ran an application called "MPlayerX." That's the name of a legitimate free movie player, but the name is also used fraudulently to distribute VSearch. If there is an item with that name in the Applications folder, delete it, and if you wish, replace it with the genuine article from mplayerx.org.
This trojan is often found on illegal websites that traffic in pirated content such as movies. If you, or anyone else who uses the computer, visit such sites and follow prompts to install software, you can expect more of the same, and worse, to follow.
You may be wondering why you didn't get a warning from Gatekeeper about installing software from an unknown developer, as you should have. The reason is that the Internet criminal behind VSearch has a codesigning certificate issued by Apple, which causes Gatekeeper to give the installer a pass. Apple could revoke the certificate, but as of this writing has not done so, even though it's aware of the problem. This failure of oversight has compromised both Gatekeeper and the Developer ID program. You can't rely on Gatekeeper alone to protect you from harmful software.
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My window 7 wasn't starting up properly so I did a system restore and now firefox wont start a message pops up stating "XPCOM" and I googled it and everything is telling to reinstall Firefox. I don't wont to reinstall it just yet because I need my passwords and username back. I cant find a solution on the forums either, or if there is I haven't found it or I simply didn't understood the solution itself. Please get back to me asap
thank you!

This usually happens because of a failed Firefox update that left you with a mixture of old and updated files in the Firefox program folder.
Do a clean reinstall and delete the Firefox program folder before (re)installing a fresh copy of the current Firefox release.
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If possible uninstall your current Firefox version to cleanup the Windows registry and settings in security software.
*Do NOT remove "personal data" when you uninstall your current Firefox version, because this will remove all profile folders and you lose personal data like bookmarks and passwords including data in profiles created by other Firefox versions.
Remove the Firefox program folder before installing that newly downloaded copy of the Firefox installer.
*(32 bit Windows) "C:\Program Files\Mozilla Firefox\"
*(64 bit Windows) "C:\Program Files (x86)\Mozilla Firefox\"
*It is important to delete the Firefox program folder to remove all the files and make sure that there are no problems with files that were leftover after uninstalling.
*http://kb.mozillazine.org/Uninstalling_Firefox
Your bookmarks and other personal data are stored in the Firefox profile folder and won't be affected by an uninstall and (re)install, but make sure NOT to remove personal data when you uninstall Firefox as that will remove all Firefox profile folders and you lose your personal data.
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*http://kb.mozillazine.org/Profile_folder_-_Firefox
*http://kb.mozillazine.org/Profile_backup
*http://kb.mozillazine.org/Standard_diagnostic_-_Firefox#Clean_reinstall

Firefox 8 starts after upgrade but none of the windows are visible and it crashes on quit

Firefox 8 starts after upgrade but none of the windows are visible and it crashes on quit

Create a new profile as a test to check if your current profile is causing the problems.
See "Basic Troubleshooting: Make a new profile":
* https://support.mozilla.com/kb/Basic+Troubleshooting#w_8-make-a-new-profile
There may be extensions and plugins installed by default in a new profile, so check that in "Tools > Add-ons > Extensions & Plugins" in case there are still problems.
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See:
* http://kb.mozillazine.org/Transferring_data_to_a_new_profile_-_Firefox
See:
* http://kb.mozillazine.org/Firefox_crashes
* https://support.mozilla.com/kb/Firefox+crashes
If you have submitted Breakpad crash reports then post the IDs of one or more Breakpad crash reports (bp-xxxxxxxx-xxxxxxxxx-xxxx-xxxxxxxxxxxx). You can find the IDs of the submitted crash reports on the about:crashes page. You can open the about:crashes page via the location bar, like you open a website.
See:
* http://kb.mozillazine.org/Breakpad (Mozilla Crash Reporter)
* https://support.mozilla.com/kb/Mozilla+Crash+Reporter
* https://developer.mozilla.org/en/How_to_get_a_stacktrace_for_a_bug_report

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My System wont start after I'd set my FSB to 200,
when the system starts, nothing comes up, and my Pc screen LED just blinks,
I have tryed to reseting the Bios but it doesn't help, have also tryed with new RAM and new Graphiccard but it doesnt help.
Please help me:-(
Am I resetting the Bios wrong? I set the jumper to safe mode and 100mhz, then I use the jumper to clear the CMOS. And the restart at set the jumpers back
3ghz AMD BARTON
NVIDIA nforce2 k7bn2 Delta
512 DDR RAM PCI3200
300WATT

Quote
Originally posted by roobster
set the multiplier lower , FSB(200) X multiplier (ex.10.5) = 2100 MHz , and your voltage raise it a bit too let say 1,700 ( default is 1.650 ) If this doesn't work at once , keep booting . My rig started up after 5 times . Strange but true .
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My apologies for the inept instructions.
Restart normally. Open Terminal in the Utilities folder. Paste the commands in the Terminal application to avoid typos:
sudo su
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Hmmmm.... BIOS upgrade interruption has screwed up BIOS and thats the reason why your notebook doesn't start properly. BIOS is damaged now.
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Strange thing is that computer starts normally when i manualy shutdown system(holding the power button on the case).There is no exception, starts perfectly evry time after manual shutdown, no need to unplugg powercord.
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MS 7599 ver. 2.0
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Tracy Cai
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Firefox wont start after overnight XP patch installation

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