If you see Runtime error R6025 - Pure Virtual Function Call message when running an app, then one of these fixes is sure to help you.

The Java virtual machine (JVM) is a program whose sole purpose is to execute other programs. This simple idea has made Java one of the most successful and long-lived platforms of all time.

If after a hardware change and you encounter Error Code 0x803FABB8, Donor hardware ID does not own operating system entitlement, see this fix.