I have run the MGAD Tool from Microsoft and below is the report for the same: Code: Diagnostic Report (1.9.0027.0): ----------------------------------------- Windows Validation Data--> Validation Code: 50 Cached Online Validation Code: 0xc004c4a2 Windows Product Key: *****-*****-GJY49-VJBQ7-HYRR2 Windows Product Key Hash: W5/6nm6F2UPXrCkY5xUhXb/+21g= Windows Product ID: 00426-OEM-8992662-00006 Windows Product ID Type: 2 Windows License Type: OEM SLP Windows OS version: 6.1.7601.2.00010100.1.0.001 ID: {F1EFEA32-2445-4ACB-B596-3F7BD05DBE8B}(3) Is Admin: Yes TestCab: 0x0 LegitcheckControl ActiveX: N/A, hr = 0x80070002 Signed By: N/A, hr = 0x80070002 Product Name: Windows 7 Ultimate Architecture: 0x00000000 Build lab: 7601.win7sp1_gdr.130104-1431 TTS Error: Validation Diagnostic: Resolution Status: N/A Vista WgaER Data--> ThreatID(s): N/A, hr = 0x80070002 Version: N/A, hr = 0x80070002 Windows XP Notifications Data--> Cached Result: N/A, hr = 0x80070002 File Exists: No Version: N/A, hr = 0x80070002 WgaTray.exe Signed By: N/A, hr = 0x80070002 WgaLogon.dll Signed By: N/A, hr = 0x80070002 OGA Notifications Data--> Cached Result: N/A, hr = 0x80070002 Version: N/A, hr = 0x80070002 OGAExec.exe Signed By: N/A, hr = 0x80070002 OGAAddin.dll Signed By: N/A, hr = 0x80070002 OGA Data--> Office Status: 100 Genuine Microsoft Office Enterprise 2007 - 100 Genuine OGA Version: N/A, 0x80070002 Signed By: N/A, hr = 0x80070002 Office Diagnostics: 025D1FF3-364-80041010_025D1FF3-229-80041010_025D1FF3-230-1_025D1FF3-517-80040154_025D1FF3-237-80040154_025D1FF3-238-2_025D1FF3-244-80070002_025D1FF3-258-3 Browser Data--> Proxy settings: N/A User Agent: Mozilla/4.0 (compatible; MSIE 8.0; Win32) Default Browser: C:\Program Files\Google\Chrome\Application\chrome.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\user32.dll[6.1.7600.16385], Hr = 0x800b0100 Other data--> Office Details: <GenuineResults><MachineData><UGUID>{F1EFEA32-2445-4ACB-B596-3F7BD05DBE8B}</UGUID><Version>1.9.0027.0</Version><OS>6.1.7601.2.00010100.1.0.001</OS><Architecture>x32</Architecture><PKey>*****-*****-*****-*****-HYRR2</PKey><PID>00426-OEM-8992662-00006</PID><PIDType>2</PIDType><SID>S-1-5-21-796826956-3483107472-1595844433</SID><SYSTEM><Manufacturer>Hewlett-Packard</Manufacturer><Model>Presario CQ62 Notebook PC</Model></SYSTEM><BIOS><Manufacturer>Hewlett-Packard</Manufacturer><Version>F.37</Version><SMBIOSVersion major="2" minor="6"/><Date>20110407000000.000000+000</Date></BIOS><HWID>5F6A3C07018400FC</HWID><UserLCID>0409</UserLCID><SystemLCID>0409</SystemLCID><TimeZone>India Standard Time(GMT+05:30)</TimeZone><iJoin>0</iJoin><SBID><stat>3</stat><msppid></msppid><name></name><model></model></SBID><OEM><OEMID>HPQOEM</OEMID><OEMTableID>SLIC-MPC</OEMTableID></OEM><GANotification/></MachineData><Software><Office><Result>100</Result><Products><Product GUID="{90120000-0030-0000-0000-0000000FF1CE}"><LegitResult>100</LegitResult><Name>Microsoft Office Enterprise 2007</Name><Ver>12</Ver><Val>7480B9502DF0D86</Val><Hash>oYWOW5ayFE3pZ+jvTpuXYsY64JE=</Hash><Pid>89388-707-8722531-65185</Pid><PidType>14</PidType></Product></Products><Applications><App Id="15" Version="12" Result="100"/><App Id="16" Version="12" Result="100"/><App Id="18" Version="12" Result="100"/><App Id="19" Version="12" Result="100"/><App Id="1A" Version="12" Result="100"/><App Id="1B" Version="12" Result="100"/><App Id="44" Version="12" Result="100"/><App Id="A1" Version="12" Result="100"/><App Id="BA" Version="12" Result="100"/></Applications></Office></Software></GenuineResults> Spsys.log Content: 0x80070002 Licensing Data--> Input Error: Can not find script file "C:\Windows\system32\slmgr.vbs". Windows Activation Technologies--> HrOffline: 0x00000000 HrOnline: 0xC004C4A2 HealthStatus: 0x0000000000000000 Event Time Stamp: 2:3:2013 05:28 ActiveX: Registered, Version: 7.1.7600.16395 Admin Service: Not Registered - 0x80070005 HealthStatus Bitmask Output: HWID Data--> HWID Hash Current: LgAAAAEAAQABAAEAAAABAAAAAwABAAEAeqjulaaoMHQc456++IdKrqRMoDhcXQ== OEM Activation 1.0 Data--> N/A OEM Activation 2.0 Data--> BIOS valid for OA 2.0: yes Windows marker version: 0x20001 OEMID and OEMTableID Consistent: yes BIOS Information: ACPI Table Name OEMID Value OEMTableID Value APIC HPQOEM SLIC-MPC FACP HPQOEM SLIC-MPC HPET HPQOEM SLIC-MPC BOOT HPQOEM SLIC-MPC MCFG HPQOEM SLIC-MPC ASF! HPQOEM SLIC-MPC SLIC HPQOEM SLIC-MPC SSDT PmRef CpuPm Kindly assist I am unable to use the Windows Loader to Activate the windows and remove the update KB2790113 as well. Regards Ranjan