If you are running setup from within Windows (not booting from USB), a cached copy of winsetup.dll might be corrupt.
To fix the error, you must understand what is failing. If you are running setup from within Windows
The error may indicate a deeper hardware problem (failing drive or RAM). Consider replacing the installation media source (different PC to create it) or testing the target system with a lightweight Linux live USB to rule out hardware failure. If you are running setup from within Windows
You’ve set aside an hour to upgrade or repair your operating system, only to be met with a cryptic black screen and the dreaded message: If you are running setup from within Windows
to grant it the necessary permissions to load system-level DLLs. Try a Different USB Port
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