I have been running 4 instances out of the same WoW folder and wanted to try installing Wow again under Wow1 folder(or something like that). Upon inserting the install disk it prompts me saying "I already have that software installed " Dumb question, but how do i get around this ? I only experience lag when portals/ hearthing , so forth. My system is fairly powerful and think that the lag is coming from running all out of the same folder.

E8400, 4 Gigs ram,4 HD's(Raid 0+1), single 8800 gt512 atm. Vista Ultimate 32 bit.

Sorry for the newb question , but thought someone here would know the quickest solution.

Nazzzcar