Can I reproduce the Issue?
Yes.
What OS are you using?
Windows 7 SP1
Description of Issue:
When in combat with a zombie, every time I get melee'd, my resolution goes to a lower quality. To work around this, all I have to do is go to configure, then video and close out, and all settings are instantly restored.
Additional Info:
HD Radeon 7777 Video card. Friend using Nvidia GTX560TI can reproduce also.