I've had SC2 crash more since patch 7 than ever before, all of my past 5 matches have been crashes and i've seen people DC against me for the first time starting with patch 7. is this a known problem?

Hello Halfwingseen

Can you also post some information about your computer? You can find this information in the Direct X Diagnostic Tool:

Press the Windows Key and R
Type in: dxdiag
Hit Enter or OK

Click on the Save All Information button at the bottom, and create a dxdiag text file, and copy and paste the data from the dxdiag file into your reply.