SymptomsWindows 8 Charms sidebar keeps unexpectedly showing up after one finger trackpad swipe:
CauseThere is a new feature in since Parallels Desktop 8.0.18305 which lets you to call Windows 8 Charms sidebar with one finger swipe.
ResolutionIf you wish to disable this feature, please do the following:
Locate your Virtual Machine .pvm file (usually in ~/Documents/Parallels) ►Right click and show package content.
Open config.pvs file and search for the following node:
<Gestures Enabled_patch="1" dyn_lists="">
Change this node from 1 to 0 and save the config.pvs file.