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After installing Firefox 10.0, Firefox checks the compatibility of extensions everytime I start the program. I went back to 9.01.

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Usually Firefox checks the compatibility of add-ons and extensions once after installation. In 10.0 this happens everytime the program is started. In 9.01 this does not happen. I use Winsows 7, 64 bit-version. When I installed the program on another computer with 32-bit version there was no problem.

Usually Firefox checks the compatibility of add-ons and extensions once after installation. In 10.0 this happens everytime the program is started. In 9.01 this does not happen. I use Winsows 7, 64 bit-version. When I installed the program on another computer with 32-bit version there was no problem.

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See:


Which security software (firewall, anti-virus) do you have?

Some have a virtualization feature that causes files in the Firefox Profile Folder to get reset to previous content.