After installing Windows 10 build 9926, you will notice that there is a new item in the menu frommovements called Windows Rollback. It can be used to uninstall Windows 10. If you want to delete this entry of menu startup follow the steps below.
Remove her choice Windows Rollback from the start menu
Tap the Win + R keys together to open the Run dialog.
In the window that opens, type:
msconfig
Go to the tab boat
Select Windows Rollback from the OS list and click on button Delete: Delete Windows restore in Windows 10
You are done. Click the Apply button and close it application system configuration: