Often, the uninstaller leaves behind "AppData" or "Documents" folders that contain the corrupted settings.

Sometimes the error message is vague, but Windows logs the exact detail.

It was a legendary simulation suite from the pre-Collapse era, rumored to contain the first fully realized artificial intelligence sandbox. It had arrived on a physical drive, delivered by a courier who looked like he hadn’t slept in a week. Elias had spent three days trying to bypass the encryption layers.

A virus may have attempted to inject code into the app's .exe file.