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unable to start firefox

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Hello!

For the last few days my Firefox browser is unable to start. I have tried reinstalling it, turning off antivirus/firewall and cleaning up the registry but it is still the same results every time.

When looking into the event viewer this is what it says:

Faulting application name: firefox.exe, version: 71.0.0.7275, time stamp: 0x5de4f320 Faulting module name: unknown, version: 0.0.0.0, time stamp: 0x00000000 Exception code: 0xc0000005 Fault offset: 0x00007ff9134c012a Faulting process id: 0x2c10 Faulting application start time: 0x01d5ab45c9a82230 Faulting application path: C:\Program Files\Mozilla Firefox\firefox.exe Faulting module path: unknown Report Id: faf0ebdb-aa0c-4fd3-890c-f15dd9482c76 Faulting package full name:

When started it briefly shows up in the task manager but quickly vanishes and I am unable to start it in any way, even in safe mode.

Appreciate any help concerning this matter! /Jenny

Hello! For the last few days my Firefox browser is unable to start. I have tried reinstalling it, turning off antivirus/firewall and cleaning up the registry but it is still the same results every time. When looking into the event viewer this is what it says: Faulting application name: firefox.exe, version: 71.0.0.7275, time stamp: 0x5de4f320 Faulting module name: unknown, version: 0.0.0.0, time stamp: 0x00000000 Exception code: 0xc0000005 Fault offset: 0x00007ff9134c012a Faulting process id: 0x2c10 Faulting application start time: 0x01d5ab45c9a82230 Faulting application path: C:\Program Files\Mozilla Firefox\firefox.exe Faulting module path: unknown Report Id: faf0ebdb-aa0c-4fd3-890c-f15dd9482c76 Faulting package full name: When started it briefly shows up in the task manager but quickly vanishes and I am unable to start it in any way, even in safe mode. Appreciate any help concerning this matter! /Jenny

Ausgewählte Lösung

hi, the symptoms sound very similar to https://bugzilla.mozilla.org/show_bug.cgi?id=1590430 - did you ever use comdo security products in the past or even if not, could you check if there's a file called IseGuard64.dll, IseGuard32.dll or similar located under C:\Windows\system32\ or your system drive?

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uBlock

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  • User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/78.0.3904.108 Safari/537.36

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philipp
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Ausgewählte Lösung

hi, the symptoms sound very similar to https://bugzilla.mozilla.org/show_bug.cgi?id=1590430 - did you ever use comdo security products in the past or even if not, could you check if there's a file called IseGuard64.dll, IseGuard32.dll or similar located under C:\Windows\system32\ or your system drive?

hi, the symptoms sound very similar to https://bugzilla.mozilla.org/show_bug.cgi?id=1590430 - did you ever use comdo security products in the past or even if not, could you check if there's a file called IseGuard64.dll, IseGuard32.dll or similar located under C:\Windows\system32\ or your system drive?
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Fragesteller

Thank you!

That file was indeed present in the system folder despite this computer never having installed anything related to Comodo as far as I know.

I read that topic before but since I hadn't ever installed Comodo on this device I didn't look further into it.

Firefox works again now, so thanks for your help!

Thank you! That file was indeed present in the system folder despite this computer never having installed anything related to Comodo as far as I know. I read that topic before but since I hadn't ever installed Comodo on this device I didn't look further into it. Firefox works again now, so thanks for your help!
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