Right-click the game's executable ( KOTR.exe ), select , and go to the Compatibility tab.
Note: Steam does not currently sell King of the Road in many regions due to licensing limbo. GOG is the most reliable source.
Sometimes the error is a permission issue rather than a disc issue.
Download dgVoodoo2, a popular wrapper that translates old graphics calls to modern ones.
"Toothpaste?" I asked, skeptical.