Problem in uninstalling a Logitech webcam
To uninstall an apps which is not happening by normal process, you need to start your personal computer in safe mode. You need to follow given steps:
1. From SHUTDOWN Menu, select RESTART.
2. When your PC is start restarting press F8 frequently until you can see a Selection menu.
3. Select SAFE MODE from the selection menu. Now your windows is running on SAFE MODE where you can Uninstall your desire software from CONTROL PANEL> Uninstall Program>select program to uninstall.
You also can go to PROGRAMS FILE directory from System Drive and Manually delete the Applications Directory.