Hi
It's not in the search box that you have to type it.
Open the command prompt by going to Programs / Accessories / Command Prompt.
When you get to Command Prompt open it by right clicking on it and selecting Run as administrator.
When it opens you will see a black Window with a line that says C:\Users\Your User Name>There will be a flashing block and the end of the line.
If there isn't click in the window.
Where the flashing block is type....
chkntfs /x c:
This should turn off automatic disk checking on drive C:\
Here is a link to the Microsoft support site on the subject.
CHKNTFS.EXE: What You Can Use It For
Mike
Now I see that this may not apply to Windows 7, not sure one way or the other.
If it won't work...