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Firefox 13.0.1 will not start up in Windows 7 Home Premium.

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Reinstalling did not help, it doesnt create a window or a windows process in task manager. When i start it up, next to the pointer comes a loading circle but that stops and nothing happens.

Reinstalling did not help, it doesnt create a window or a windows process in task manager. When i start it up, next to the pointer comes a loading circle but that stops and nothing happens.

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Hi,

If Run as administrator is selected in the right-click Properties > Compatibility tab of the Firefox icon you can try deselecting it. If the problem persists you can try to check in Safe Mode. You can also consider the Reset Firefox feature via Help (Alt + H) > Troubleshooting Information.

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The Run as Administrator checkbox was empty and it didn't work. I checked it on and now firefox works. Resetting wouldn't help anything cause it's a clean install that won't start up...

So starting up as administrator makes it work again...