win10 slow reaction Right Solution

  
first right lower left corner of the Start button, click Run

then type regedit, and then click OK

open HKEY_CLASSES_ROOT

then find HKEY_CLASSES_ROOTDirectory
Double-click
find HKEY_CLASSES_ROOTDirectoryBackgroundshellexContextMenuHandlers

last ContextMenuHandlers delete the file in addition to the new folder

likely there will be a new addition to not delete, but that's okay, try right at the desktop , look at the speed, if not, then restart after the trip

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