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Microsoft will launch the Windows XP Professional Edition and Office genuine edition verification plan for the Chinese market in 20th day of this month,
At that time, computers installed with Pirated Windows XP Professional edition will be forcibly "black screen" every hour (the desktop background will change to pure black), and the menu bar of the Office will be marked as "not genuine.
Methods to avoid this problem:
1. My computer-properties-auto update-Disable auto update
2. Start-run (enter services. msc)-Disable Office Source Engine and Automatic update
If a black screen is displayed every hour after the 20th, use the following method:
@ Echo off
Sfc/purgecache
Reg delete "HKEY_LOCAL_MACHINESOFTWAREMicrosoftWindows ntcurrentversionwinlogonpolicywgalogon"/f
Taskkill/f/im WgaTray.exe/T
Del c: Windowssystem32WgaTray.exe/f/q
Taskkill/f/im WgaTray.exe/T
Del c: Windowssystem32WgaTray.exe/f/q
Taskkill/f/im WgaTray.exe/T
Del c: Windowssystem32WgaTray.exe/f/q
Taskkill/f/im WgaTray.exe/T
Del c: Windowssystem32WgaTray.exe/f/q
Taskkill/f/im WgaTray.exe/T
Del c: WINNTsystem32WgaTray.exe/f/q
Taskkill/f/im WgaTray.exe/T
Del c: WINNTsystem32WgaTray.exe/f/q
Taskkill/f/im WgaTray.exe/T
Del c: WINNTsystem32WgaTray.exe/f/q
Echo. & pause
Copy the above file to notepad and save it. Change the TXT extension of notepad to BAT, and then run.