To resolve this issue, rename the Mapi32.dll file, and then start the Fixmapi.exe program:
  1. Click Start, and then click Search.
  2. Click All files and folders.
  3. In the All or part of the file name box, type mapi32.dll, and then click Search.
  4. When the search process is complete, right-click the Mapi32.dll file, and then click Rename.
  5. Type Mapi32.old, and then press ENTER.
  6. Click Start a new search, and then click All files and folders.
  7. In the All or part of the file name box, type fixmapi.exe, and then click Search.
  8. When the search process is complete, double-click Fixmapi.exe to start the repair process.
  9. Follow the on-screen instructions to complete the repair process.