Hello @Gennaro Galante ,
Thank you for taking time to post this issue in Microsoft Q&A forum.
I have checked the VS log files you shared with us, the error recorded in the log file, “Error 0x80131537: Application failed with an uncaught exception: Stringa non riconsciuta come valore DateTime valido.”, has been reported in our Developer Community and this issue is currently under investigation. Visual Studio Product Team will help to find the cause and fix this issue. Please kindly check, follow and vote for this thread: Visual Studio Installer crashes after updating to version 16.9.0 in our Developer Community.
Thanks for your understanding.
Best Regards,
Tianyu
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