1. Click the 'Start' button and then 'Run.'
2. Type 'regedit' into the box and press 'Enter' to launch the Registry Editor.

3. Click on the 'HKEY_LOCAL_MACHINE' option. Click on the 'Software' icon.
4. Click on the 'Terminal' folder and then the 'Services' option.
5. Click on the 'DWORD' value and increase the number next to 'Time Out.' Make sure that the words 'minutes,' 'hours' or 'day' is next to it to determine the time. You also can choose 'Never' for the time-out to never occur.