I also have a few applications with Crystal version 8.x. I have no problems with Windows 7 - 32 bit. 64 bit is giving me fits right now. The problem involves passing the path to the system workgroup file to crystal through the registry so crystal canaccess the database that is controlled by user permission. Another application using Crystal 8.x using ADO to pass the recordsets to Crystal runs with no problems.
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So, it seems to depend on your method of data access. Hope this is helpful to you. Regards.Update - I found the answer for passing the info to crystal 8.x through the registry - The entries that would normally be in the HKLMSoftware. Key need to be moved to the HKLMSoftwareWow6432Node. The keys in this location are passed to 32 bitprograms running in the 64 bit environment. So, now I have no remaining problem.Warning: Serious problems might occur if you modify the registry incorrectly by using Registry Editor or by using another method. These problems might require that you reinstall the operating system.

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Microsoftcannot guarantee that these problems can be solved. Modify the registry at your own risk.
I have a windows application created on 32 bit windows xp platform using visual studio 2005 with oracle 10g as database and crystal reports XI as reporting tool. The platform on which the application was created has Oracle 10g 32 bit Client, Crystal Reports Developer XI R2 and Crystal Reports XI Server Client. The application has to be installed on 64 bit Windows 7 machine. The application fails with following errorAn error has occured while attempting to load the Crystal Reports runtime. Either the Crystal Reports registry key permissions are insufficient or Crystal Reports runtime is not installed correctly.Please install the appropriate Crystal Reports redistributable (CRRedist.msi) containing correct version of Crystal Reports runtime (x86, x64, or Itanium) is required. Please go to for more information.
AdvertisementWe have an Windows Forms apps developed in VB.NET 2005 using Reports Documents from Crystal Reports XI R2 Server. The application is running fine on 32 bit Windows XP machine.
We are trying to install the application on 64 bit Win 7 machine. We are getting following error while doing soAn error has occured while attempting to load the Crystal Reports runtime. Either the Crystal Reports registry key permissions are insufficient or Crystal Reports runtime is not installed correctly.Please install the appropriate Crystal Reports redistributable (CRRedist.msi) containing correct version of Crystal Reports runtime (x86, x64, or Itanium) is required. Please go to for more information.We have installed 'Crystal reports XI R2 SP4 full build' and 'SP6 incremental'. We have also installed 'CrystalReports115NET.MSI from CR XI R2 FP 6.4.NET Server Install' as well as 'CRRedist2005X64.msi'.We are still getting the same error.