Am trying to open Accpac (5.3) functions in windows vista business under a user with "Power User" rights with errors below :

Please help.

"A code download error has occurred: Generic trust failure.

For more error details please see: ?CodeDownloadErrorLog!name={6B929A4C-D2FF-4B42-A0B1-4643F769B120}"

*** Code Download Log entry (20 Feb 2009 @ 10:29:50) ***

Code Download Error: (hr = 800b010b) Generic trust failure.

Operation failed. Detailed Information:

     CodeBase: C:\PROGRAM FILES\ACCPAC53\AP53A\ACCPACAP2000.OCX

     CLSID: {DB47CAAD-60ED-4C16-94B0-926B22EA23BA}

     Extension: 

     Type: 

LOG: Reporting Code Download Completion: (hr:800b010b (FAILED), CLASSID: db47caad..., szCODE:(C:\PROGRAM FILES\ACCPAC53\AP53A\ACCPACAP2000.OCX), MainType:(null), MainExt:(null))

--- Detailed Error Log Follows ---

LOG: Download OnStopBinding called (hrStatus = 0 / hrResponseHdr = 0).

LOG: URL Download Complete: hrStatus:0, hrOSB:800b010b, hrResponseHdr:0, URL:(file:///C:/PROGRAM%20FILES/ACCPAC53/AP53A/ACCPACAP2000.OCX)

LOG: Reporting Code Download Completion: (hr:800b010b (FAILED), CLASSID: db47caad..., szCODE:(C:\PROGRAM FILES\ACCPAC53\AP53A\ACCPACAP2000.OCX), MainType:(null), MainExt:(null))

Turn off UAC, or run Accpac as an Administrator.  Accpac 5.3 is not compatible with Vista.

 Have tried both but it didn't work.  Is Accpac 5.4/5.5 vista compliant? 

5.5 definitely is, but I don't know about 5.4 because none of my clients use Vista on 5.4.  Very few use Vista at all.