Error message 481 is reported in the RES Workspace Management Console error log.
The version of the msvbvm60.dll is outdated.
An updated version of the DLL can be found on the Microsoft support site. Please see Article ID: 290887.
- Download file VB6.0-KB290887-X86.exe using the link
- Double click on the downloaded file, accept the license terms and choose a location for the extracted file 'vbrun60sp6.exe'.
- Double click on the file 'VBRun60sp6.exe' to install Visual Basic 6.0 SP6 run-time files.
- Place msvbvm60.dll (from VISTA SP1) into the "%RESPFDIR%" folder and "%RESPFDIR%\svc" folders. The RES Service must be restarted to make use of this dll.