Every now and again the window server back ground process will just go nuts and start using 98% of my CPU.
Found the following
https://forums.macrumors.com/threads/562688/
https://forums.macrumors.com/threads/380944/
http://discussions.apple.com/thread.jspa?threadID=1077132
http://discussions.apple.com/thread.jspa?threadID=1739292&tstart=0
none of which refers to my problem directly
Found the following
https://forums.macrumors.com/threads/562688/
https://forums.macrumors.com/threads/380944/
http://discussions.apple.com/thread.jspa?threadID=1077132
http://discussions.apple.com/thread.jspa?threadID=1739292&tstart=0
none of which refers to my problem directly