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firefox not working today...says missing nssutil3.dll

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  • 1 hat dieses Problem
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  • Letzte Antwort von cor-el

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I am havving a problem opening firefox desktop browser on my laptop today. It worked fine yesterday.

Now receiving the msg that nssutil3.dll is missing. I ran MS security essentials...did not detect any viruses etc.

I restarted my computer and CHKDSK gave me a msg that is strongly urged me to run to check the disk for 'consistency' Did that but firefox still does not run.

Get msg:

Problem signature:

 Problem Event Name:	BEX
 Application Name:	firefox.exe
 Application Version:	10.0.0.4411
 Application Timestamp:	4f2548ce
 Fault Module Name:	MSVCR80.dll
 Fault Module Version:	8.0.50727.6195
 Fault Module Timestamp:	4dcddbf3
 Exception Offset:	00048b76
 Exception Code:	c000000d
 Exception Data:	00000000
 OS Version:	6.0.6002.2.2.0.768.3
 Locale ID:	1033
 Additional Information 1:	465c
 Additional Information 2:	c66fdd5b033f3274f7db4517864858a7
 Additional Information 3:	faf8
 Additional Information 4:	29f832f2e20ccd0b464a4c9449368d1d
I am havving a problem opening firefox desktop browser on my laptop today. It worked fine yesterday. Now receiving the msg that nssutil3.dll is missing. I ran MS security essentials...did not detect any viruses etc. I restarted my computer and CHKDSK gave me a msg that is strongly urged me to run to check the disk for 'consistency' Did that but firefox still does not run. Get msg: Problem signature: Problem Event Name: BEX Application Name: firefox.exe Application Version: 10.0.0.4411 Application Timestamp: 4f2548ce Fault Module Name: MSVCR80.dll Fault Module Version: 8.0.50727.6195 Fault Module Timestamp: 4dcddbf3 Exception Offset: 00048b76 Exception Code: c000000d Exception Data: 00000000 OS Version: 6.0.6002.2.2.0.768.3 Locale ID: 1033 Additional Information 1: 465c Additional Information 2: c66fdd5b033f3274f7db4517864858a7 Additional Information 3: faf8 Additional Information 4: 29f832f2e20ccd0b464a4c9449368d1d

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If you use ZoneAlarm Extreme Security then disable Virtualization and reinstall Firefox. Other security software may have similar features to prevent Firefox from updating files properly.


Do a clean (re)install and delete the Firefox program folder (C:\Program Files\Mozilla Firefox\).

Download a fresh Firefox copy and save the file to the desktop.

Uninstall your current Firefox version, if possible.

  • Do NOT remove personal data when you uninstall the current version or you lose your bookmarks and other data because all profile folders will be removed.

Remove the Firefox program folder before installing that newly downloaded copy of the Firefox installer.

Your bookmarks and other profile data are stored elsewhere in the Firefox Profile Folder and won't be affected by a reinstall, but make sure that you do not select to remove personal data if you uninstall Firefox.