Win8.1 deletes the video/document/download and other six folders in this computer.

  
Symptom:
Computer” officially changed its name to "this computer", when we double-click to open "this computer" Afterwards, it will be obvious that some other changes have been discovered: Windows 8.1 displays common folders such as videos, pictures, documents, downloads, music, and desktops by default.
Solution:
Reminder: There is a risk in modifying the registry. Please back up and carefully operate before modifying.
Open the Run dialog with the shortcut key Windows+R and type regedit. Locate the following key values:
HKEY_LOCAL_MACHINESOFTWAREMicrosoftWindowsCurrentVersion
ExplorerMyComputerNameSpace
Expand NameSpace Delete the corresponding key value according to the following correspondence:
Key Value Folder
{374DE290-123F-4565-9164-39C4925E4678 } Download
{B4BFCC3A-DB2C-424C-BO29-7FE99A87C641} Desktop
{1CF1260C-4DD0-4ebb-811F-33C572699FDE} Music
{3ADD1653-EB32-4cb0-BBD7-DFA0ABB5ACCA} Image
{A0953C92-50DC-43bf-BE83-3742FED03C9C} Video
{A8CDFF1C-4878-43be-B5FD-F8091C1C60D0} Documentation

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