Winnt BSOD, unable to load symbols

I have been using WinDbg for a while now with great success. However, now when I try to open a crash dump file I am getting the error below and not getting information about what caused it.

Loading Kernel Symbols
.............................Missing image name, possible paged-out or corrupt data.
.*** WARNING: Unable to verify timestamp for Unknown_Module_00000000
Unable to add module at 00000000
Unable to read KLDR_DATA_TABLE_ENTRY at 00000000 - NTSTATUS 0xC0000147

WARNING: .reload failed, module list may be incomplete

I verified the path matches what it says in the forum about how to look at the dump files. Any ideas?

AM

 

Corrupt memory dump, most likely.

 

Ok, thanks.

AM