Backstabbed by an Addon

[Touchseed]

Tried loading three addons from CotH into my interface>AddOns folder. Since I have two Interface folders and two AddOn folders, I put the addons in both of them. Now, all I get is this error message.

Failed to read file INTERFACE\GLUES\MODELS\UI_MAINMENU_NORTHREND\LOGIN_WURMUNDEADTORSOSPEC.blp.

Debug Details:

[2] err=0 text=SFileReadFile - INTERFACE\GLUES\MODELS\UI_MAINMENU_NORTHREND\LOGIN_WURMUNDEADTORSOSPEC.blp - Data\enUS\locale-enUS.MPQ
[1] err=0 text=ReadSectors/DecompressData failed
[0] err=0 text=ReadSectors/DecompressData failed

So, I deleted these addons, and then some and I still get it, so I'm going to try and figure out what to do next. Any suggestions will be appreciated. (Reinstalling will be my last ditch effort in the event I can't fix this.)

[Kretol]

Try running the Repair in your WoW folder. I've never heard of something like this happening... or any AddOn screwing up the client so badly, for that matter.

[Touchseed]

Ah! Repair worked Kretol! Thanks a bunch! I'll try these Addons later, but that other dimension called life is calling..