OKAY NEVER MIND EVERYONE! I found the solution thanks to user ElysianMods. All you gotta do is Run NMM as Administrator, go to Settings, and "Add Shell Extensions for Supported File Types". Then just restart NMM. I apologize for making this topic but hey, maybe if someone is having this issue and hasn't seen ElysianMod's post on the MCM Posts section, they now will know how to fix it. Also I apologize for writing all this down here in this comment... I'm really not well versed with how Forums work.