Disable/Enable Lock Workstation Functionality (Windows + L)
Using the Windows+L keys together will lock your workstation running Windows 7, XP or Vista. Did you realize that you can also disable this function?
Follow the steps below to accomplish the task:
1. Click Start--> Type REGEDIT in search
2. In the registry editor navigate to the below key.
3. On the right-hand side, create a new DWORD 32-bit value named DisableLockWorkstation and give it one of these values:
1 – Disable Lock Workstation
0 – Enable Lock Workstation
The changes should be immediate, no need to restart the machine.