How to Fix Msvcr80.dll

1. Press your Windows key (the key with a Windows icon next to your keyboard’s “Alt” key) and “R” simultaneously. This brings up the “Run” window.
2. Type “cmd” in the textbox and click “OK.”
3. Type the following command in your command prompt: regsvr32 /u msvcr80.dll. After this finishes, type “regsvr32 msvcr80.dll.” Restart your computer when you finish.