I just got Oblivion for the PC a few days ago, and would like to get cracking on using the Construction Set. I'm in the process of figuring everything out, and I've found that I can't access any .nif files from Vanilla Oblivion. I can access all the .nif files from OOO (great mod, btw), but none of the ones native to Oblivion proper.
In my data directory, I have a .bsa file marked "Oblivion-Textures-Compressed". I cannot extract it, with the error being "cannot open [this file] as an archive."
Any suggestions on how I can access these .nif files?
Thanks in advance!