I use windows 7 32bit.. the problem i'm having is BlackBerry desktop software 7.1 won't finish installing.. a pop-up keeps coming up wen it's almost finished installing. the pop-up says "Error 1723. There is a problem with this windows installer package. A DLL required for this install to complete could not be run. Contact your support personnel or package vendor. Action RepairRimUsbDriverNT.191E20C_5A62_43E3_B035..." .... all this started wen I tried to upgrade from my previously installed 6.0 desktop software from the blackberry.com site... the upgrade failed and I started having issues.. I uninstalled 6.0 but it wouldn't unintal fully.. so I deleted all RIM Folders from registry and all and downloaded d 7.1 desktop software from blackberry.com but it won't finish installing... Pls Pls pls... some one help me sort this out.