Firefox crashes at startup, even after complete reinstallation. No add-on.

Everytime I open FF, it freezes completely within 5 seconds. I uninstalled and reinstalled, I deleted all traces of its data using Revo uninstaller & FF, then reinstalled and still get the same results. I saw where malware can cause this kind of problem, so I ran full scans with Microsoft Security Essentials, Malwarebytes, security of Microsoft and Kaspersky Security scanner Scanner. They all came clean.

I would love to submit an accident report, but apparently these accidents are not generating them. The only thing in AppData\Roaming\Mozilla\Firefox\Crash reports is an InstallTime file, as of today (the date of my last reinstall). I can not also add troubleshooting information, as FF crashes before I can add something.

This is exactly what is happening: I run FF, sensitive whish for the first couple seconds. After that, it freezes completely and finally "(ne répond pas) ' is added to the title bar." A little later, Windows is displayed, asking if I want to find a solution. That's all.

Win 7 Pro, FF 18.0.2.

The FF window appear even when I tried to start it in safe mode (I had to kill the process), so I restarted my computer in safe mode, and it worked. Looking at msconfig to find what could be the cause of the problem, I found a suspicious entry I was able to confirm a malware that missed all the scans. For reference, it's in AppData/Roaming/Elryu/onmo.exe. I'm sure it was randomly generated names, but I think it's important to mention.

Everything works perfectly now.

Thanks for your help - mainly just, I didn't know where to start with my FF troubleshooting, cause I never had problems with it before.

Tags: Firefox

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