WINDOW 7 NOT GENUINE PROBLEM SOLUTION

1. Type regedit in RUN or Startmenu search box and press Enter. It'll open Registry Editor.
2. Now go to following key: HKEY_USERS\S-1-5-20
3. Right-click on "S-1-5-20" key and select "Permissions...". It'll open a new window. 
4. Select "NETWORK SERVICE" in user list and check "Allow" box given for "Full Control" permission. Click on OK button to apply the changes. NOTE: If "NETWORK SERVICE" is not present in user list, click on "Add" button. Now type Network Service in "Enter the object names to select type" and click on “Check Names" button. It'll detect and confirm the username. Click on OK button.
5. That's it. Restart your system and your problem should be fixed. 



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