Hi,
The Windows Customer Experience Improvement Program helps Microsoft improve Windows. Without interrupting you, it collects information about your computer hardware and how you use Window. The program periodically downloads a file to collect information about problems you might have with Windows. The information collected is not used to identify or contact you.
Windows 7 Privacy Statement - Microsoft Windows
This will show you how to join or unjoin the Windows Customer Experience Improvement Program (CEIP) in Windows 7.
1. Open the Start Menu, then copy and paste Change Customer Experience Improvement Program in the search box and press enter.
A) Go to step 3 or 4.
OR
2. Open the Control Panel (icons view), and click on the Action Center icon.
A) Click on the Change Action Center Settings link in the left pane. (see screenshot below)
B) Click on the Change Customer Experience Improvement Program link. (see screenshot below)
C) Close the Change Action Center Settings window.
3. To Join the Customer Experience Improvement Program
A) Select (dot) Yes, I want to participate in the program, and click on the Save Changes button.
4. To Unjoin the Customer Experience Improvement Program
A) Select (dot) No, I don't want to participate in the program, and click on the Save Changes button. (see screenshot above)
5. If prompted by UAC, then click on Yes (if administrator) or type in the administrator's password (if standard user).