: Using a patch or executable from a different region (e.g., a US patch on a UK installation) can trigger the error because the disc signature does not match the software version. Microsoft Learn Recommended Solutions Use a "No-CD" Patch
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Open File Explorer, right-click your CD/DVD drive, and note the letter (e.g., D: ). If you have multiple optical drives (including virtual ones), JPOG sometimes looks only at the first drive. Try disabling any virtual drives in Device Manager > DVD/CD-ROM drives. : Using a patch or executable from a different region (e
Only do this if you legally own the game. This replaces the file that asks for the disc with one that skips that check entirely. 4. Check Your Drive Letter Try disabling any virtual drives in Device Manager