Installation Error

[McGrupp]

"Installer Not Found" error during installation on Disc 3 of WoW (Not BC). 4 failed attempts...Any ideas? WoW forums didn't help a bit ( I just reformatted before attempting installation, updated BIOS, etc.)

[Xaeius]

http://www.blizzard.com/support/article.xml?articleId=21604&categoryId=2670&parentCategoryId=2316

[McGrupp]

got to disc 4

[McGrupp]

starting BC

[McGrupp]

patching