Method One:
1, open "Computer", find the menu bar "Tools", select "Folder Options", as shown in
2, pop-up "Folder Options" window, select "Open each folder in the same window", click OK
3, open the folder try to open each folder in the same window, if not, you can try the method two.
Method Two:
1, the use of shortcut key "Windows+r" (Windows key is the keyboard with "Windows window Icon" key), appear "Run", enter "cmd", click OK. Note: You must have administrator privileges.
2, pop-up "command line Window" interface, such as figure
3, in the command line input: regsvr32 "%systemroot%/system32/actxprxy.dll"
1) Click Enter
2) appears: DllRegisterServer has been successful in C:/windows/system32/actxprxy.dll.
4, in the command line to re-enter: regsvr32 "%programfiles%/internet explorer/ieproxy.dll"
1) Click Enter
2) appears: DllRegisterServer in C:/programfiles/internet Explorer/ieproxy.dll has been successful
5, open the folder again, you can open in the same window.