The only thing I have updated for sure is the graphic card, and yes, it wasn't until I installed Episode 3 and/or Guild Wars 2 that I noticed these issues. I haven't been playing much games since Episode 2 of TWD, and my computer ran it just fine back then, only some minor lags here and there. The only thing I've been doing since then until this weekend is recording, editing and uploading Nintendo64 emulator videos. I updated the graphic card right before I downloaded Episode 3, so for all I know that could be the reason for the issue as well...
