How do I correct Error 1117 in Windows Vista?
Error 1117 is caused by missing information in Windows Vista's host file. This error is an issue with Windows Defender and is in no way related your Rosetta Stone software. To correct this error you will need to close your Rosetta Stone application and any open web-browsers before following the directions below.
Repairing Windows Vista's Host File
Click on the Start Menu
Open All Programs
Open Accessories
Right-click Notepad
Click Run as administrator
Click File on Notepad's menu-bar
Click Open
Double-click Computer
Double-click C: (sometimes named Local Disk or OS C

Double-click the Windows folder
Double-click System32 folder
Double-click drivers folder
Double-click etc folder
Use the drop-down box on the lower-right of the window to change the file type to: All Files
Double-click hosts
Click on the line above "::1 localhost"
Type "127.0.0.1 localhost"
The large space between 127.0.0.1 and localhost is made by pressing your keyboard's Tab-key
Your file should now look like the one below
lick File
Click Save
Close Notepad
Open Rosetta Stone
With the above fix in place, you should be able to get to Rosetta Stone's home screen successfully. When you get to your home screen the microphone setup screen will appear and Rosetta Stone should work normally.