Related errors may come from many different reasons, such as: wrong application, PartyWin.dll being deleted or misplaced, damaged malware existing on your computer, damaged Windows registry, etc.

PartyWin.dll is a dll file (dynamic link library file) among computer files. If a dll file is lost in the computer, some programs such as software and games may not be started and run normally, and the computer system will pop up incorrectly.