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Failed to load data access DLL, 0x80004005 Verify that 1) you have a recent build of the debugger (6.2.14 or newer) 2) the file mscordacwks.dll that matches your version of mscorwks.dll is in the version directory 3) or, if you are debugging a dump file, verify that the file mscordacwks_.dll is on your symbol path. 4) you are debugging on the same architecture as the dump file. For example, an IA64 dump file must be debugged on an IA64 machine.

user496949
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  • possible duplicate of [\[windbg\] Failed to load data access DLL, 0x80004005](http://stackoverflow.com/questions/1920712/windbg-failed-to-load-data-access-dll-0x80004005) – Brian Rasmussen Jan 10 '11 at 05:42
  • Is it a dump file that you are debugging? If so how did you generate the crash dump file? – palm snow Jan 03 '12 at 19:17

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CLR related information is accessed from windbg by sos/psscor using a data access component called mscordacwks. You can learn more details from here http://blogs.msdn.com/dougste/archive/2009/02/18/failed-to-load-data-access-dll-0x80004005-or-what-is-mscordacwks-dll.aspx

Sukesh Ashok Kumar
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