To drop my five cents about the issues where the EC just poofes.
I think it is related to ATI graphic cards. I never had any issues when I had NVIDIA cards but since I was forced to switch to ATI for other reasons I get this client poofings too.
I think it is related to ATI graphic cards. I never had any issues when I had NVIDIA cards but since I was forced to switch to ATI for other reasons I get this client poofings too.