Since about 1 week ago AC started slowing down tremendously. If only one workstation is on the network the AC works with reasonable speed. As other workstations are added the speed slows down to the point where the response time goes down to 2-3 seconds per click. Then the "error loop" message comes on and AC shuts down. The error loop message is the message that reads "too many errors in the past......." that comes up with the submit a bug report window. No new programs have been installed and no new workstations have been added. I restarted the server a few times and the AC would start with reasonable speed and again start to slow down when other workstations come on board. The network has mostly windows 7 machines and 2 windows 8.1 machines. We are using version 6.67 .I believe that the problems started when the server did an automatic update.
I am asking the question if anyone else has seen this problem because if this is the case there may have been a Microsoft update affecting the functioning of AC?