When i start outlook 2003 i receive following error:
"Cannot start Microsoft Office Outlook. MAPI32.DLL is corrupt or the wrong
version. This could have been caused by installing other messaging software.
Please reinstall Outlook."

-I renamed the file msmappi32.dll to msmappi32.old but did not solve the problem
-Used an other msmappi32.dll file from another pc = didn't help
-When i reinstall office the problem is gone but comes back after a few days

Computer: windows 7 (64bit) office2010 pre-installed
Deleted office 2010 and installed office 2003



Does anybody knows how to fix this?