Friends who like to modify the registry must know the Legacy item, but this is protected by the system, so it is generally not allowed to delete, but some times some abominable viruses, rogue software and can be written to this item, and now I will teach you how to delete the value in Legacy.

1, Windows XP system

Windows XP, to remove the value of Legacy, relatively simple, in the option you want to remove the right mouse button, select "Permissions", enter, for "Everyone", select the option, select "Everyone", select the option, select the option, select the option, select the option, select the option, select the option, select the option, select the option, select the option, select the option, select the option, select the option, select the option. "option, select" full control "to determine the exit, and again select the option to delete can be deleted.

2, Windows Vista

Windows XP system to modify the permissions of the method, in Windows Vista system is invalid, then we need to use a tool - PsExec.exe, this tool is integrated in the PsTools (download: ()download.sysinternals.()com/Files/PsTools.zip]). Remove the brackets

(1) First download the above PsTools, copy the PsExec.exe file from it to the system Windows\System 32 folder;

(2) Press the Windows logo key + R to open the Run window, type "CMD

(2) Press the Windows logo key + R to open the Run window, type "CMD" to bring up the Command Prompt window;

(3) Type: psexec -s -i -d regedit.exe, and then enter to bring up the "Registry Editor", at this time you can delete the value you want to delete.

3, Windows 7

Operating method with Windows Vista.

Just now we have tried on this machine, avast uninstalled in the registry after the LEGACY residual items are all perfectly deleted!

This is the first time I've tried it on a Windows Vista system.