And also u can edit this:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\Curr ent Version\Installer\UserData\S-1-5-18\Products
Under this key, u'll find several keys (based on what u hv installed on ur comp) with the name like,
9040110900063D11C8EF10054038389C, etc.
Under those keys, u'll get
InstallProperties key. In right-side pane, change
RegOwner &
RegCompany to ur desired one.