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Brian Ochieng

Network Engineer & ISP Operator
Kisumu (Oginga Odinga St) Sep 02, 2026 at 8:04 AM
Solved

Cyber Café Client Timer: Windows 11 updates blocking client screen lock and Task Manager restrictions

After Windows 11 23H2 update on our 10 client computers, customers can press `Ctrl + Alt + Del` or `Win + Tab` to minimize the lock screen when their paid session expires. What registry keys or group policies ensure the client workstation is completely locked upon timeout?
285 views 1 responses

Community Solutions & Discussion Stream

1
M
Mwangi wa Cyber Master Cyber Operator
5 hours ago
#1
Apply this Group Policy / Registry fix on all client workstations:

```reg
Windows Registry Editor Version 5.00

[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\System]
"DisableTaskMgr"=dword:00000001
"DisableLockWorkstation"=dword:00000001
"DisableChangePassword"=dword:00000001

[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer]
"NoWinKeys"=dword:00000001
```

Reboot the client PC. When the cyber timer sends the lock command, Windows disables all hardware keystroke escapes!
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Mwangi wa Cyber Nairobi CBD (Tom Mboya St)
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Brian Ochieng Kisumu (Oginga Odinga St)
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