Using Regedit, open the key appropriate for your operating system: 

Windows 9x:
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion] 

Windows NT:
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion] 

Then modify the values of 'RegisteredOwner' and 'RegisteredOrganization'. 

Value Name: RegisteredOwner, RegisteredOrganization
Data Type: REG_SZ

 

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