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Error when trying to open Mozilla Thunderbird - "The application has failed to start because its side-by-side configuration is incorrect."

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  • Last reply by Wayne Mery

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I get an error when I try to open Mozilla Thunderbird "The application has failed to start because its side-by-side configuration is incorrect. Please see the application event log or use the command-line sxstrace.exe tool for more detail.

I get an error when I try to open Mozilla Thunderbird "The application has failed to start because its side-by-side configuration is incorrect. Please see the application event log or use the command-line sxstrace.exe tool for more detail.

Modified by Wayne Mery

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Reinstall from https://thunderbird.net/download/esr if you are using version 128 (esr channel), https://thunderbird.net/download/ (release channel) if you are using 137 or newer.

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