If you are a developer using WiX or InstallShield, you need the .msm file (Merge Module). This is the most deployment-friendly option. File name: CrystalReports11.5_ActiveX_Designer_Runtime.msm .
Once you have located the legitimate setup.exe or .msi file, follow these steps carefully. If you are a developer using WiX or
Restart your machine to finalize environment variables and registry entries. Once you have located the legitimate setup
This distinction is vital. If you attempt to use the standard XI (11.0) runtime with reports designed or modified in XI R2, you may encounter version conflicts or "Unknown Query Engine" errors. Version 11.5 was the last major release before SAP acquired Business Objects and represents the end of the line for the "classic" COM/ActiveX architecture before the shift to the .NET framework in later versions. If you attempt to use the standard XI (11
: Some developers noted that the designer may crash in VB6 if Service Pack 3 or higher