Corrupted temporary installation manifests can force the Windows Installer to read cached, broken data. Press Windows Key + R to open the Run dialog box. Type %temp% and press Enter.
Run installer with logging to capture detailed error: internal error 2602 autocad
Ensure you have at least twice the storage space available on your primary drive ( C: ) than the size of the installation package to accommodate temporary file extraction. internal error 2602 autocad