I'm getting continual problems with a 32bit app on a win 2008 sp2 server. I can see that there are 2 versions of ntdll.dll, and I suspect that for some reason the error may be caused by the 32 bit version not handling the call. Is there a way to safely re-register both 64 and 32 bit versions of ntdll.dll, so at least I can eliminate that issue when trying to solve the problem. (BTW wasn't sure which forum to post this in, hopefully this general one is OK) regards roga See below the event id report: Log Name: Application Source: Application Error Date: 13/06/2011 12:12:20 Event ID: 1000 Task Category: (100) Level: Error Keywords: Classic User: N/A Computer: example.dom Description: Faulting application IBackupForWindows_955.exe, version 9.5.0.5, time stamp 0x4dd3d3cd, faulting module ntdll.dll, version 6.0.6002.18327, time stamp 0x4cb7341c, exception code 0xc0000005, fault offset 0x0002e9d4, process id 0xeec, application start time 0x01cc29ba9af0072e.

Hello, run sfc /scannow and check if this solve your problem. If not, you can perform a repair install of your OS. Better if you contact your application vendore Technical Support. This posting is provided "AS IS" with no warranties or guarantees , and confers no rights. Microsoft Student Partner 2010 / 2011 Microsoft Certified Professional Microsoft Certified Systems Administrator: Security Microsoft Certified Systems Engineer: Security Microsoft Certified Technology Specialist: Windows Server 2008 Active Directory, Configuration Microsoft Certified Technology Specialist: Windows Server 2008 Network Infrastructure, Configuration Microsoft Certified Technology Specialist: Windows Server 2008 Applications Infrastructure, Configuration Microsoft Certified Technology Specialist: Windows 7, Configuring Microsoft Certified IT Professional: Enterprise Administrator

Hello, run sfc /scannow and check if this solve your problem. If not, you can perform a repair install of your OS. I did try with /VERIFYONLY but I suspect that this will only check the integrity of the files, what I was asking for was a way to re-register them. The reason I ask is that I did a registry clean up before reinstalling the program, and I deleted all references to the application, and I may have inadvertently broken something in the registry with ntdll.dll Is there a way i can find if both versions of the dll are correctly loaded? I am also checking with vendor. r

may i know the application, i am afraid you are using legacy app which is not supported on 32 bit windows 2008 . Faulting module cx05 is access denied.If you feel that application is still under the supported version of OS , then please do run under higher privilige and test the behavior.

may i know the application, i am afraid you are using legacy app which is not supported on 32 bit windows 2008 . It is the current version of Ibackup for windows, which is meant to run on win 2008. I am running it as "administrator", and the service is running as "SYSTEM", so I don't see how to give it higher privilege R

Hi rogajones, Thank you for your post. Please try to refer to this thread to install ShellExView tool on your server. If there are more inquiries on this issue, please feel free to let us know.Regards, Rick Tan

Hi rogajones, Thank you for your post. Please try to refer to this thread to install ShellExView tool on your server. That looks helpful, thanks. Actually with regard to the original problem I think I'll ditch the problem application.