You will need
To return the settings of your computer, "start menu" select "add or remove programs". Click on the icon and wait until a new window will appear in the list of installed programs. Highlight and click "Edit". This opens the InstallShield wizard, which will prompt you to select required to perform the action. Select "Restore" and wait for the end of the process. But this option is not always suitable, as the selected program can be completely removed from the computer.
The best way may be to roll back to the previous value. For its implementation need also from the "start menu" go to "toolbars" and select "system settings". Click on the appropriate icon and click the button labeled "Launch system restore". Then a new window will open on the right side of which is written the following text: "to begin, select the task you want to perform." Select "Restore an earlier state of the computer" and click "Next". Then in the calendar on the next page, specify the day in bold, and in the right window, select the restore point. Click "Next" and wait until the rollback process of the system. After this the computer restarts and prompts you to save the performed settings.
Please note that the changes of all previously saved documents, the rollback system is not affected. Thus, they will remain as they are. So for their safety can not worry.
If "Toolbar" is displayed in classic view, categories, system recovery, you will need to select "Performance and maintenance", then click "system settings". It is indicated with the icon of a wrench. Next, you should perform the actions described in the first paragraph.
Another way to rollback system you can implement using "start" menu which section you will need to find the "All programs" and then navigate to the folder "Standard". Find the "Office" and select "system Restore".
These recommendations apply to all versions of Windows operating systems, including Windows XP, Windows 7.