Registry value is removed causing folder option blank

This article describes the problem of the registry-related key values ​​being deleted and causing the folder options to be blank. The problem is to extract the correct key values ​​from the registry in other normal computers and import them into the problematic computer.
Q: I have displayed all the hidden files of the computer, including the system files. In the folder options, click “View”, and find that the original settings are all blank! What should I do? There are all MP3 and WMA files in my computer, double-click to open, but it is a notepad, is it a virus? I checked it with anti-virus software, no poison!
A: This is because the registry The related key values ​​are deleted. Because the related key values ​​are more, it is very troublesome to manually recover one by one. Therefore, the quickest solution is to export the correct key values ​​from the registry in other normal computers and import them into yours. On the machine.
In the normal system registry, locate: HKEY_LOCAL_MACHINESOFTWAREMicrosoftWindowsCurrentVersionExplorerAdvanced and then import the exported REG file into your computer's registry to restore normal.
If there is no place to copy the registry, you can try to open the registry and locate it: KEY_LOCAL_MACHINESoftwareMicrosoftWindowsCurrentVersionexplorerAdvancedFolderHiddenSHOWALL, see if there is a CheckedValue key value, and change its key value to “2”, if there is no such value, You can create a new “DWORD value" called "CheckedValue”" and change its value to "2"" to exit the Registry Editor and restart your computer. Then take a look: HKEY_LOCAL_MACHINESOFTWAREMicrosoftWindowsCurrentVersionExplorerAdvancedFolderHidden The value of the type subkey in the right window is not group, if not, change it back.