To run SmartGuard on a your gaming computer, you must disable the Windows "Test mode". Test mode is a special Windows state which allows you to download and run Windows kernel mode programs without the Microsoft digital signature.

Error codes: CDEF0008, CDEF000A

Typically, the test mode can be used on a developer's computer, however some Windows "activators" and other programs can use it for their own purposes.

How to disable Windows Test Mode:

1. Click Start, and then type cmd in the Search box.

2. Under Programs, right-click cmd.exe, and then click Run as administrator.

3. At the command prompt, type the following commands, and press Enter after each command:
   bcdedit.exe -set loadoptions ENABLE_INTEGRITY_CHECKS
bcdedit.exe -set TESTSIGNING OFF
bcdedit.exe -set NOINTEGRITYCHECKS OFF

4. Close the Command Prompt window, and then restart your computer.