It’s a crap in the dark

This is a mash up of “shot in the dark” (wild guess) and “a crap-shoot” (risky enterprise), resulting in a phrase obviously not intended.  This beauty was found in HomeRecording.com:

“This is just a crap in the dark, but have you tried disabling the drivers you don’t need in sonar?”

http://homerecording.com/bbs/user-forums-brand/cakewalk-sonar-forum/msdmo-dll-error-sonar-29157/