This is the log. I tried with IE and Firefox. All products are original (!) and activated long time ago...
Diagnostic Report (1.5.0723.0):
-----------------------------------------
WGA Data-->
Validation Status: Genuine
Detailed Status: N/A
Windows Product Key: *****-*****-6V8VW-FK63P-BKMM6
Windows Product Key Hash: HuMHewOIbxtCGOlq5lUCNjTbX7w=
Windows Product ID: 55719-770-1479464-22090
Windows Product ID Type: 5
Windows License Type: Retail
Windows OS version: 5.1.2600.2.00010100.2.0.pro
ID: ac949bc3-5b2f-4ac8-b4a5-5817509f60c9
Is Admin: Yes
AutoDial: No
Registry: 0x0
WGA Version: Registered, 1.5.716.0
Signed By: Microsoft
Product Name: N/A
Architecture: N/A
Build lab: N/A
TTS Error: N/A
Validation Diagnostic:
Resolution Status: N/A
Notifications Data-->
Cached Result: 0
File Exists: Yes
Version: 1.5.540.0
WgaTray.exe Signed By: Microsoft
WgaLogon.dll Signed By: Microsoft
OGA Data-->
Office Status: 101 Not Activated
OGA Version: Registered, 1.6.18.0
Signed By: Microsoft
Office Diagnostics: 7E90FEE8-169-80004005_B4D0AA8B-513-80004005_B4D0AA8B-530-645_3E121E02-385-80004005_3E121E02-452-80004005_3E121E02-312-80004005_3E121E02-409-80004005_3E121E02-300-80004005_3E121E02-409-80004005_3E121E02-300-80004005_3E121E02-409-80004005_3E121E02-300-80004
Browser Data-->
Proxy settings: N/A
User Agent: Mozilla/4.0 (compatible; MSIE 6.0; Win32)
Default Browser: C:\Programmi\Internet Explorer\iexplore.exe
Download signed ActiveX controls: Prompt
Download unsigned ActiveX controls: Disabled
Run ActiveX controls and plug-ins: Allowed
Initialize and script ActiveX controls not marked as safe: Disabled
Allow scripting of Internet Explorer Webbrowser control: Disabled
Active scripting: Allowed
Script ActiveX controls marked as safe for scripting: Allowed
File Scan Data-->
File Mismatch: c:\windows\system32\syssetup.dll
Other data-->
Office Details: <GenuineResults><MachineData><UGUID>ac949bc3-5b2f-4ac8-b4a5-5817509f60c9</UGUID><Version>1.5.0723.0</Version><OS>5.1.2600.2.00010100.2.0.pro</OS><PKey>*****-*****-*****-*****-BKMM6</PKey><PID>55719-770-1479464-22090</PID><PIDType>5</PIDType><SID>S-1-5-21-725345543-1275210071-682003330</SID><SYSTEM><Manufacturer>Hewlett-Packard </Manufacturer><Model>Pavilion zd7000 (DR770E#ABZ)ÿÿ</Model></SYSTEM><BIOS><Manufacturer>Hewlett-Packard</Manufacturer><Version>F.36 </Version><SMBIOSVersion major="2" minor="31"/><Date>20050106000000.000000+000</Date></BIOS><HWID>B4793C07018400E2</HWID><UserLCID>0410</UserLCID><SystemLCID>0410</SystemLCID><TimeZone>ora solare Europa occidentale(GMT+01:00)</TimeZone><iJoin>0</iJoin><SBID><stat>3</stat><msppid></msppid><name></name><model></model></SBID><OEM/></MachineData> <Software><Office><Result>101</Result><Products><Product GUID="{90280410-6000-11D3-8CFE-0050048383C9}"><LegitResult>101</LegitResult><Name>Microsoft Office XP Professional con FrontPage</Name><Ver>10</Ver><Val>A72F03FD7C15FA4</Val><Hash>7rQfPuvmQ4/zNKQIXeKmQTyAe8o=</Hash><Pid>54893-736-1453627-17146</Pid><PidType>1</PidType></Product><Product GUID="{91110410-6000-11D3-8CFE-0150048383C9}"><LegitResult>100</LegitResult><Name>Microsoft Office Professional Edition 2003</Name><Ver>11</Ver><Val>4F71AEEE7FA3DD2</Val><Hash>UTIvYc1geaCTgSMDGS5oKtPhSa4=</Hash><Pid>73043-745-7659413-57098</Pid><PidType>1</PidType></Product><Product GUID="{91170410-6000-11D3-8CFE-0150048383C9}"><LegitResult>100</LegitResult><Name>Microsoft Office FrontPage 2003</Name><Ver>11</Ver><Val>4A90E5156674DD6</Val><Hash>KvQYBSOA9E3zfxe9mnIA0IRAXCs=</Hash><Pid>73255-747-3424375-55362</Pid><PidType>1</PidType></Product><Product GUID="{91190410-6000-11D3-8CFE-0150048383C9}"><LegitResult>101</LegitResult><Name>Microsoft Office Publisher 2003</Name><Ver>11</Ver><Val>BA3541FECAE75D6</Val><Hash>lWbnizua6HuKdu8YYMMAlYNa3ZY=</Hash><Pid>73256-747-3229401-55434</Pid><PidType>1</PidType></Product><Product GUID="{913B0410-6000-11D3-8CFE-0150048383C9}"><LegitResult>100</LegitResult><Name>Microsoft Office Project Professional 2003</Name><Ver>11</Ver><Val>BCBFF85470F2DD6</Val><Hash>mFV4Dx+z2A6oQY5vNz2HT7SCyRE=</Hash><Pid>73733-747-7477111-55740</Pid><PidType>1</PidType></Product><Product GUID="{91440410-6000-11D3-8CFE-0150048383C9}"><LegitResult>101</LegitResult><Name>Microsoft Office InfoPath 2003</Name><Ver>11</Ver><Val>38385E8F17BFDDE</Val><Hash>3l1/KLYWlsPKVtGRTBZNQ+yQe0I=</Hash><Pid>73048-751-9686085-55564</Pid><PidType>1</PidType></Product><Product GUID="{91510410-6000-11D3-8CFE-0150048383C9}"><LegitResult>100</LegitResult><Name>Microsoft Office Visio Professional 2003</Name><Ver>11</Ver><Val>86BF53333E3DD6</Val><Hash>odvK6faAKFQfWjPy6UmL9u7yabI=</Hash><Pid>73831-747-3881483-55443</Pid><PidType>1</PidType></Product><Product GUID="{91A10410-6000-11D3-8CFE-0150048383C9}"><LegitResult>100</LegitResult><Name>Microsoft Office OneNote 2003</Name><Ver>11</Ver><Val>5DE65D9C1B00DDE</Val><Hash>QpM8cqzChCDEFlmbU62S/bTFF0Q=</Hash><Pid>73049-751-9318867-55929</Pid><PidType>1</PidType></Product></Products></Office></Software></GenuineResults>
