Click on “Start,” then select “All Programs” and “Microsoft Office.”
Press and hold down “Ctrl,” and then select “Microsoft Word 2010.”
Press and hold down “Ctrl,” then click on any Word document. This is an optional way of opening the document in Safe Mode, instead of selecting Microsoft Office from All Programs.
Click on “Yes” when prompted by the Word dialog box, which appears no matter which of the two ways you’ve chosen to access Safe Mode. The dialog box will ask you to confirm that you want to start Word in Safe Mode.