Running Vista x64, 2 g memory, 3.2 Intel. Running nod32, ati control center and logitech bluetooth tray in the background.
Ran default mode registry cleaner with no problems.
Ran registry cleaner at aggressive mode and it found 292 additional errors and froze with error "runtime error 216 at 004044A6. Had to shut down program with Start Task Manager.rebooted and retryed steps and received same results.
Also when I changed the settings from the default mode to "Show all tools at once", i restarted the program and it didn't save the settings but went back to the default.