Windows is reporting it isn't genuine

I am having some problems with Windows 7 Ultimate 64 bit that match exactly with this thread - Windows is reporting it isn't genuine, Validation code 0x8004FE21

Here are the exact results from the commands that you told us to enter.

DIR C:\Windows\sppwinob.* /s
icacls c:\windows\system32\sppwinob.dll
sfc /scanfile=c:\windows\system32\sppwinob.dll
icacls c:\windows\system32\sppwinob.dll

Microsoft Windows [Version 6.1.7600]
Copyright (c) 2009 Microsoft Corporation. All rights reserved.

C:\Users\Kurt>DIR C:\Windows\sppwinob.* /s
Volume in drive C is Win7
Volume Serial Number is 7682-E636

Directory of C:\Windows\System32

07/13/2009 08:41 PM 418,816 sppwinob.dll
1 File(s) 418,816 bytes

Directory of C:\Windows\winsxs\amd64_microsoft-windows-s..-spp-plugin-windows_3
1bf3856ad364e35_6.1.7600.16385_none_6daf1bf0165f608f

07/13/2009 08:41 PM 418,816 sppwinob.dll
1 File(s) 418,816 bytes

Total Files Listed:
2 File(s) 837,632 bytes
0 Dir(s) 641,957,888 bytes free

C:\Users\Kurt>icacls c:\windows\system32\sppwinob.dll
c:\windows\system32\sppwinob.dll NT SERVICE\TrustedInstaller:(F)
BUILTIN\Administrators:(RX)
NT AUTHORITY\SYSTEM:(RX)
BUILTIN\Users:(RX)

Successfully processed 1 files; Failed processing 0 files

C:\Users\Kurt>sfc /scanfile=c:\windows\system32\sppwinob.dll


Windows Resource Protection did not find any integrity violations.

C:\Users\Kurt>icacls c:\windows\system32\sppwinob.dll
c:\windows\system32\sppwinob.dll NT SERVICE\TrustedInstaller:(F)
BUILTIN\Administrators:(RX)
NT AUTHORITY\SYSTEM:(RX)
BUILTIN\Users:(RX)

Successfully processed 1 files; Failed processing 0 files

C:\Users\Kurt>

Any responses would be nice.