If the Windows 7 folder prompts "You do not have permission to access this folder currently", the solution is to copy the file from drive C to drive D. After you reinstall the system, this prompt appears, it seems that the security level of Windows 7 is improved. Save the following code in Notepad as a fix. reg. After running the SDK, right-click the folder and choose "Get administrator privilege". After running the SDK, the dos window appears. [Plain] Windows Registry Editor Version 5.00 [HKEY_CLASSES_ROOT \ * \ shell \ runas] @ = "Administrator ownership" NoWorkingDirectory "=" "[HKEY_CLASSES_ROOT \ * \ shell \ runas \ command] @ = "cmd.exe/c takeown/f \" % 1 \ "& icacls \" % 1 \ "/grant administrators: F "" IsolatedCommand "=" cmd.exe/c takeown/f \ "% 1 \" & icacls \ "% 1 \"/grant administrators: F "[HKEY_CLASSES_ROOT \ exefile \ shell \ runas2] @ =" Administrator ownership "" NoWorkingDirectory "=" "[HKEY_CLASSES_ROOT \ exefile \ shell \ runas2 \ command] @ =" cmd.exe/ c takeown/f \ "% 1 \" & icacls \ "% 1 \"/grant administrators: F "" IsolatedCommand "=" cmd.exe/c takeown/f \ "% 1 \" & icacls \ "% 1 \"/grant administrators: F "[HKEY_CLASSES_ROOT \ Directory \ shell \ runas] @ =" Administrator ownership "" NoWorkingDirectory "=" "[HKEY_CLASSES_ROOT \ Directory \ shell \ runas \ command] @ =" cmd.exe/ c takeown/f \ "% 1 \"/r/d y & icacls \ "% 1 \"/grant administrators: f/t "" IsolatedCommand "=" cmd.exe/c takeown/f \ "% 1 \"/r/d y & icacls \ "% 1 \"/grant administrators: f/t"