These error messages appear because the incorrect version of Atl.dll (4.0.0.517) is on the computer. This version of Atl.dll fails to register the files listed above.
To resolve these error messages, install version 3.0.8449 of Atl.dll. You can find this version of Atl.dll on the Crystal Reports 8.5 CD.
If this doesn't work try
Comcat.dll is a dependency file needed to register Craxdui.dll, Crviewer.dll & CRDesignerCtrl.dll successfully.
Craxdui.dll, Crviewer.dll & CRDesignerCtrl.dll are all parts of the Crystal Report Design Component (RDC) development tool.
Version 5.0 of Comcat.dll does not register Craxdui.dll, Crviewer.dll and CRDesignerCtrl.dll successfully on Microsoft Windows NT 4 (Service Pack 4 or higher).
Follow these steps to successfully register Craxdui.dll, Crviewer.dll, & CRDesignerCtrl.dll:
1. Unregister your current Comcat.dll manually using the regsvr32 utility. To unregister Comcat.dll, click the 'Start' button, then click 'Run'. Type the following then press Enter:
regsvr32 /u "C:\WinNT\System32\comcat.dll"
(If C: drive is not your operating system drive, then replace C: with the appropriate drive letter)
2. Find Comcat.dll in the \WinNT\System32 folder. Rename this file to Comcat.bak
3. Copy the Comcat.dll file from the Crystal Reports 8.5 CD into the \WinNT\System32 folder.
4. Register the Comcat.dll file manually using the regsvr32 utility. To register Comcat.dll, click the 'Start' button, then click 'Run'. Type the following then press Enter:
regsvr32 "C:\WinNT\System32\comcat.dll"
5. Register the Craxdui.dll, Crviewer.dll and CRDesignerCtrl.dll files manually using the regsvr32 utility.
To register Craxdui.dll, type the following then press Enter:
regsvr32 "C:\Program Files\SEAGATE SOFTWARE\Report Designer Component\craxdui.dll"
To register Crviewer.dll, type the following then press Enter:
regsvr32 "C:\Program Files\SEAGATE SOFTWARE\Viewers\ActiveXViewer\Crviewer.dll"
To register CRDesignerCtrl.dll, type the following then press Enter:
regsvr32 "C:\Program Files\SEAGATE SOFTWARE\Report Designer Component\CRDesignerCtrl.dll"