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when i try to install firefox again it says the computer must be restarted to finish uninstalling previous version, but when rebooted and tried again it says the same thing, What do I do?

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when i try to install firefox again it says the computer must be restarted to finish uninstalling previous version, but when rebooted and tried again it says the same thing, What do I do?

Chosen solution

Please try this: Copy the files formhistory.sqlite (or formhistory) and places.sqlite (or places) if they exist and delete the entire Mozilla folder in %APPDATA% and also the Firefox folder in Program Files. Please see this.

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Chosen Solution

Please try this: Copy the files formhistory.sqlite (or formhistory) and places.sqlite (or places) if they exist and delete the entire Mozilla folder in %APPDATA% and also the Firefox folder in Program Files. Please see this.

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Thank you very much!!