When starting ArcMap, the following error message may occur:
"System is out of memory or executable file is corrupt or relocations are invalid c:\arcexe80\bin\Mxtools.dll"
There may be old versions of gswdll32.dll and gswag32.dll in c:\winnt\system32.
Warning: The instructions below include making changes to essential parts of your operating system. It is recommended that you backup your operating system and files, including the registry, before proceeding. Consult with a qualified computer systems professional, if necessary. Esri cannot guarantee results from incorrect modifications while following these instructions; therefore, use caution and proceed at your own risk.
Code: regsvr32 c:\arcexe80\bin\mxtools.dll