I bought USB Disgnostics yesterday. I hope that it might help me diagnose a Western Digital 5TB Passport drive that mscos Tahoe will not mount. USB Diag. seems primarily concerned with getting users to install other apps. "You have nnn GB of junk files. Press OK to install ..." "You have Japanese viruses. Press OK and install ..." When I asked it to diagnose, it started alright. Annoyingly - no status bar or percentage. After ¾ hour, it continued to say "Wait". But my USB drive had stopped