The solution of USB disk's denying access in Win7 system

1, run "regedit" Enter Registry Editor;

2, then expand to the "Hkey_local_machinesoftwaremicrosoftwindowscurrentversionexploreradvancedfolderhiddenshowall" branch in turn;

3, and then in the right window to find the binary Checked "" ", double-click" Checked value "and its key value modified to" 1 ";

4, then open the computer, click on the top of the window "Tools-Folder Options", and then find and check the "Show All Files and folders" Item, so you can display the hidden files inside the U disk;

5, we now open the U disk with the right mouse button (note: Here do not directly double hit open u disk, because it is still not open), and then in the inside we can see four files: "Floder", "Destop", "Destop2", "Autorun.inf", Delete all 4 files;

6, delete after we will find a hidden file in U disk "RECYCLER", open can see the icon of the Recycle Bin, directly delete this folder can be;

7, then go back to the Registry Editor, in turn to find the "Hkey_local_machinesoftwaremicrosoftwindowsntcurrentversionwinlogon" branch, and then "Userinit" the key value modified to " Userinit.exe ";

8, then open Task Manager, find "Wuauserv.exe" and "Svchost.exe" in the process and end the process.

9, finally into the "C:windowssystem32svchost" directory (note that Svchost is a folder, not a program), and then delete everything in this directory.