Windows 7 system, start to run input CMD, the window flashed by, disappeared

First of all, my system is Windows 7, this is also suitable for other systems, because my computer is Windows 7 of this problem, so I just in Windows 7, my computer is likely to be used with the first of a virus or Trojan and later killed and incomplete, but kill may have this problem, for example I will use the CMD window to view the IP ah, see ping network speed ah of what, don’t have the CMD feel very uncomfortable, but every time I enter CMD, one black car window is a flash is automatically shut down, no time to lose anything, Through checking the information, fumbled to find a solution, if you also have a similar problem, according to the following methods do not prevent to try.

The CMD command window is used in some special cases, such as PING to see if the network is connected. If you run commands such as Disk Format Conversion in the CMD window, enter CMD Enter and the black box of the CMD command will flash out and disappear, please refer to the following solution.

a, first check the C: \ WINDOWS \ SYSTEM32 of CMD EXE exists, the document date is normal;
test result is normal, same as other system file date, should not be this problem.

br>

%SystemRoot%;
view after found (if there is no need to add)

3, it is not in the above two common problems, should be modified is the registry.
registry:
ey_local_machine \Software\Microsoft\Command Processor\AutoRun
HKEY_LOCAL_MACHINE\Software\Microsoft\Command Processor\AutoRun
registry:
HKEY_LOCAL_MACHINE\Software\Microsoft\Command Processor\AutoRun (There is no numerical value, but a flash may be eXist, it can be cleared.)

, if it still doesn’t work, try using CMD /k, for example “CMD /k ipconfig /all” in the “Run” window.


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