Open Run command box and enter regedit.exe and hit enter.
On performing any one of the above action, a new window will appear on your screen, as shown in below image.
Now you have to find a Send To file under HEKY_CLASSES_ROOT
Follow the link address given below:
HKEY_CLASSES_ROOT >> AllFilesSystemObjects >> Shellex >> ContextmenuHandlers >> Send To
After finding this file right click on the file labeled as (default) and click on Modify tab in the dropdown menu.
On clicking this tab, a new window will appear on your screen, as shown in below image. Now remove the value from the Value data tab and set it to blank and click on OK and close all the windows.
Now right click on any file, I hope Send To option has been disables.
To again enable Send To tab enter the value which you had removed AND CLICK ON Ok button.
Value that need to be entered to enable Send To option in window context menu.