USB

After falling victim to dying USB headsets & microphones, finally found the culprit option:

Control Panel > Power Options > Change Advanced Power Settings > USB Settings > USB Selective Suspend Settings > DISABLED

worked for ~45minutes

http://www.catalog.update.microsoft.com/Search.aspx?q=MS13-081

2862330

x32

http://download.windowsupdate.com/c/msdownload/update/software/secu/2013/12/windows6.1-kb2862330-v2-x86_a6f3c9b5811bd869cf6834acb96c4a0232588c9b.msu

x64