Without doubts checkdisk tool is very important and can deal with HDD problems (bad sectors, lost clusters etc), but when your HDD is OK and the checkdisk is started each time the computer starts - it can be annoying. More over,  it usually takes a lot of time and depends on HDD capacity in direct dependency.

That's why some users can find it convenient to disable this feature.

To disable automatic disk checking from starting using Windows registry, perform next steps:

1. Open registry editor. Press [Start] > [Run] > type in: "regedit" without quotation marks. Press Enter.

2. In the Registry Editor window navigate to the following registry key "HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager":

3. Double click on the "BootExecute" mutli-string value and in the opened window the default value "autocheck autochk *" is set. "*" - means that every drive is checked consistency. Just add "/K:C" at the end before "*". So, the final value looks : autocheck autochk /K:C *. Save changes.

4. If you want to add more drives, they should be listed as folows (see the screenshot below). C:\ and D:\ drives are disabled:

5. To undo changes, just change the value back to "autocheck autochk *".