1. Click the 'Start' button on your desktop and then enter 'regedit' into the 'Start Search' text box.
2. Select the 'regedit.exe' option from the 'Program' list and the Registry Editor dialog box will then appear on your screen.

3. Click the 'HKEY_LOCAL_MACHINE' option and then click the 'Software' option. Click the 'Microsoft' option and then click the 'Windows' option.
4. Click the 'CurrentVersion' option and then select the 'Policies' option. Double-click the 'System' option.
5. Select the 'Edit' option if you can't locate the LocalAccountTokenFilterPolicy entry. Move your mouse over the 'New' option and click the 'DWORD Value' command.
6. Enter 'LocalAccountTokenFilterPolicy' into the text box and then click the 'OK' button. Right-click on the 'LocalAccountTokenFilterPolicy' entry you just added and then click the 'Modify' option.
7. Enter '1' for the 'Value data' field and then click the 'OK' button. Close out of the registry and then restart your computer.