New one does not start because of missing language dll

[mondkalender]

Hello,
just bought one and installed it on Win 10, but it does not start apparently because of
 

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failed to load language dll[1033\UILangRes.dll]Because it doesn't start I can't reinstall anything - as recommended somewhere - very frustrating and that with Log4J.
what to do?
Thanks

[r@vast]

Hi,

Can you please try to uninstall it via the Avast Uninstall Utility? https://support.avast.com/en-us/article/Uninstall-Antivirus-Utility/