-create folder: PS (on disk: C)
-insert all the files contained in the PSTools.zip, no folder, only content
inside the PS folder that we had created.
-open: cmd (as administrator)
-write: cd ..
-write: cd ..
-write: cd PS
-write: psexec -i -d -s cmd
-then a box opens and click Agree.
-write: whoami
-write: sc delete WLMS
-write: regedit
-look up: HKEY_LOCAL_MACHINE -> System -> CurrentControlSet -> Services -> WLMS
-delete entire WLMS folder
-reboot the system.