Hi @M3343C That CRC/7-Zip error looks like the installation package may be corrupted or having trouble extracting.I would delete the current installer and download a fresh copy from your Autodesk Account using Direct Download, extract it locally, and run Setup.exe as Administrator. Autodesk specifically lists a corrupted installer and TEMP/TMP folder issues as possible causes."7-Zip Error” when installing Autodesk products If Direct Download still gives the same CRC error, I’d try changing TEMP/TMP to a simple local folder such as C:\TESTTEMP and retry.
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