Component crviewer9.dll or one of its dependencies not registered correctly

Error Message

While using Crystal Reports 9.0 and ArcMap, you may receive an error:

"Component crviewer9.dll or one of its dependencies not registered correctly".

Cause

This is a known issue.

Solution or Workaround

1. Uninstall Crystal Reports 9.0.
   
   
   A. Clicking Start > Settings > Control Panel.
   
   B. Double-click Add/Remove Programs.
   
   C. Click Crystal Reports for ESRI > Remove > Remove All > Next > Finish.
   
   
   
2. Reinstall Crystal Reports 9.0:
   Insert the Crystal Reports 9.0 CD in the CD-ROM drive and follow the onscreen installation instructions.