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Firefox got uninstalled during a Thunderbird update by Mozilla Maintenance Service

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Hello,

Thunderbird got updated to 78.12.0 by Mozilla Maintenance Service this morning and I believe Firefox got uninstalled by accident during the process.

The reason I think it got deleted by MMS is because in `C:\Program Files\Mozilla Firefox` I could see a single file named `tobedeleted` and when I read the log located at `C:\Program Files (x86)\Mozilla Maintenance Service\UpdateLogs`, the last two lines were : NS_main: unable to remove directory: tobedeleted, err: 41 NS_main: directory will be removed on OS reboot: tobedeleted

Luckily my `%APPDATA%\Mozilla\Firefox\Profiles` were not affected by this issue and I managed to recover my data by reinstalling Firefox.

Best regards,

Tolga Taluy

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