I have major graphical glitches in Skyrim (PC)?

I recently started getting major graphical glitches in my Skyrim game. It started after doing a few things to my game

1. Installing the Official Skyrim HD Texture Pack: I started the night before I saw it complete, but a friend called on Skype and half way through the call it stopped downloading. It was still done the next morning

2. Failing at updating SkyUI: I forgot to uninstall it through NMM and deleted some files that I saw on the Nexus page and more cause they were labeled the same

3. Deleting my SkyrimPrefs.ini file to reset it: Messed it up by with many different ENBs causing issues

The glitches I've been experiencing are all world clipping that I first noticed at the Warmaiden's Forge in Whiterun. Then I really realized it was a problem when I went into Dragonsreach and Farengar and his are was super glitchy. His desk was gone and so was his clothes, body, and hair. I went use the enchanter and it started to happen to my character. After that I realized that it was glitchy inside all buildings and at forges

Sorry for this being so long it's just really distracting and I'm scared it will corrupt my saves. I thank you for your time and hope to find a solution soon.