What if the Win7 system pop-up Explorer has stopped working?

What if the Win7 system pop-up Explorer has stopped working?

Steps:

1. Press the "Win+r" key to Exhale and run, enter "regedit" in the box and click OK to call out "Registry Editor";

2, on the left side of the registry to expand: Hkey_current_usersoftwaremicrosoftwindowscurrentversionpolicies

3. Right click on "Policies" item, select "New"-"item", and name the item "System";

4, click "System", and then right-click the right margin, select "New"-"String value", name the value "DisableTaskMgr" and modify the numeric data to "0".

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