Opening Windows mini dump .dmp files

Download Windows Debugging Tools from :

http://www.microsoft.com/whdc/devtools/debugging/default.mspx

Open Debugging Tools then:

File > Symbol File Path:
Copy and paste the following with no spaces

SRV*c:\local cache*http://msdl.microsoft.com/download/symbols

Dump Files are located in C:\WINDOWS\Minidump

Source: http://www.networkworld.com/news/2005/041105-windows-crash.html?page=2