Hi, on the errant computer go to start search and type:- cmd, right click on the returned cmd.exe and select "run as administrator" a command prompt will open, copy and paste the following cmd in red:-
echo > 0 & net start >> 0 & sc qc DPS >> 0 & sc queryex DPS >> 0 & echo >> 0 & notepad 0
Press enter, (to get the copy paste just highlight the above text in red with your mouse and then within the highlighted text right click and select copy, now when you open a command prompt (as shown) you will see a flashing cursor right click anywhere in the command window and select paste, your cmd will fix to the cursor, pressing enter will open a notepad with data please post this data here.
echo > 0 & net start >> 0 & sc qc DPS >> 0 & sc queryex DPS >> 0 & echo >> 0 & notepad 0
Press enter, (to get the copy paste just highlight the above text in red with your mouse and then within the highlighted text right click and select copy, now when you open a command prompt (as shown) you will see a flashing cursor right click anywhere in the command window and select paste, your cmd will fix to the cursor, pressing enter will open a notepad with data please post this data here.