Hi all, inno setup compiler ver 5.1.9 When customer is installing my setup on WinXP Pro or home all is fine. When customer is installing my setup on Vista errors came up. My .exe written in VB 6 pro as front end Access 2000 as backend database C:\Windows\system32\oleaut32.dll unable to register the DLL/OCX: dllRegisterServer failed; code 0x80070005 Click retry to try again, ignore to proceed anyway (not reccomended), or abort to cancel installation. C:\Windows\system32\stdole2.tlb unable to register the type library:RegisterTypeLib failed; code 0x8002801C error accessing the OLE registry Click retry to try again, ignore to proceed anyway (not reccomended), or abort to cancel installation. Any Help appreciated Thanks John G