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I need some help. - A Question for Half-Life 2

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I need some help.

So I recently installed the 2013cinematic mod and after getting tired of it, I deleted the cm2013 folder out of my common folder instead of using the un-installer since it usually doesn't get deleted. After deleting the folder I noticed that when I would start-up Hl2 (original not update ver), Hl2 ep1 and Hl2 ep2, they would always be stuck at around 30fps when usually I get over 100fps, The character models where invisible, some doors and other models where invisible such as the trains from the final battle in ep1. Certain scripted events woudn't work either, the characters just wont proceed. Is there any way I can fix this?