If you receive any errors when you try to open and read a minidump file using windbg similar to the following error then it's most likely you are using the wrong syntax in your command:
WinDbg:6.11.0001.404 X86
Could not create process
"C:\Windows\Minidump\Mini061909-01.dmp", Win32 error On193
%1 is not a valid Win32 application.
This image displays the error within Windbg:
The syntax I used for creating that error was the following:
windbg.exe -y srv*c:\symbols*http://msdl.microsoft.com/download/symbols -z %1
Instead of using the above command use this command:
windbg.exe -y srv*c:\symbols*http://msdl.microsoft.com/download/symbols -z c:\program files\debugging tools for windows (x86)\Mini062609-01.dmp
Click the following for more information on Windbg Minidump Tutorial.