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Firefox version >3.5.16 will not start under Windows Vista and Windows 7 32bit

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ptoelke
ptoelke
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I have a Windows Vista computer that will not start any newer version of Firefox than 3.5.16. The process will run (as seen in the Task Manager) but do nothing.

I have since updated Windows to version 7 and the problem persists.

I have tried uninstalling Firefox and all Addons (flash-player, pdf-reader) and deleting all files (even user-specific ones).

Firefox can't be started in Profilemanger or safe-mode either.

Is there anything short of reinstalling windows I can try?

I have a Windows Vista computer that will not start any newer version of Firefox than 3.5.16. The process will run (as seen in the Task Manager) but do nothing. I have since updated Windows to version 7 and the problem persists. I have tried uninstalling Firefox and all Addons (flash-player, pdf-reader) and deleting all files (even user-specific ones). Firefox can't be started in Profilemanger or safe-mode either. Is there anything short of reinstalling windows I can try?

Modified by ptoelke