Answered by:
AN unauthorized change was made to windows

Question
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as a usual routine, i updated my laptop with windows updates..
it asked for a restart and i restarted the laptop.
now it shows the "AN unauthorized change was made to windows"
and has allowed me limited functionality.
i downloaded MGAdiag.exe
and this is the output...
plz help..
Diagnostic Report (1.7.0069.0):
-----------------------------------------
WGA Data-->
Validation Status: Invalid License
Validation Code: 50
Online Validation Code: 0x80070426
Cached Validation Code: N/A, hr = 0x80070426
Windows Product Key: N/A, hr=0x80070005
Windows Product Key Hash: N/A, hr=0x80070005
Windows Product ID: 55041-038-1026642-71153
Windows Product ID Type: 6
Windows License Type: Volume MAK
Windows OS version: 6.0.6000.2.00010100.0.0.006
CSVLK Server: N/A
CSVLK PID: N/A
ID: {23A0F48F-02B9-43C9-BE46-A6C6F795B85E}(3)
Is Admin: Yes
TestCab: 0x0
WGA Version: Registered, 1.7.69.2
Signed By: Microsoft
Product Name: Windows Vista (TM) Business
Architecture: 0x00000000
Build lab: 6000.vista_gdr.071023-1545
TTS Error: M:20080412124924528-
Validation Diagnostic:
Resolution Status: N/A
WgaER Data-->
ThreatID(s): N/A, hr = 0x80070002
Version: N/A, hr = 0x80070002
Notifications Data-->
Cached Result: N/A
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 Data-->
Office Status: 100 Genuine
OGA Version: Registered, 1.6.21.0
Signed By: Microsoft
Office Diagnostics: 025D1FF3-282-80041010_025D1FF3-170-80041010_025D1FF3-171-1_025D1FF3-434-80040154_025D1FF3-178-80040154_025D1FF3-179-2_025D1FF3-185-80070002_025D1FF3-199-3_E2AD56EA-337-8009_E2AD56EA-338-2f0d_16E0B333-89-80004005_B4D0AA8B-888-80004005
Browser Data-->
Proxy settings: N/A
User Agent: Mozilla/4.0 (compatible; MSIE 7.0; Win32)
Default Browser: C:\Program Files\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\gdi32.dll[6.0.6000.16643]
Other data-->
Office Details: <GenuineResults><MachineData><UGUID>{23A0F48F-02B9-43C9-BE46-A6C6F795B85E}</UGUID><Version>1.7.0069.0</Version><OS>6.0.6000.2.00010100.0.0.006</OS><Architecture>x32</Architecture><PKey>*****-*****-*****-*****-BBBBB</PKey><PID>55041-038-1026642-71153</PID><PIDType>6</PIDType><SID>S-1-5-21-4200961280-810190856-3435527041</SID><SYSTEM><Manufacturer>Hewlett-Packard</Manufacturer><Model>HP Compaq 6515b (RK091AV)</Model></SYSTEM><BIOS><Manufacturer>Hewlett-Packard</Manufacturer><Version>68YTT Ver. F.05</Version><SMBIOSVersion major="2" minor="4"/><Date>20070426000000.000000+000</Date></BIOS><HWID>70333507018400EE</HWID><UserLCID>4009</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><BRT/></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>1908E43AA464586</Val><Hash>+0wHSQwKltFWnv7zP5ihkAmcFpo=</Hash><Pid>89388-707-7805915-65607</Pid><PidType>14</PidType></Product></Products></Office></Software></GenuineResults>
Spsys.log Content: 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Saturday, April 12, 2008 1:28 PM
Answers
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Hello Genobz,
The core to your particular issue centers on the line in your Diagnostic Report that reads:
File Scan Data-->
File Mismatch: C:\Windows\system32\gdi32.dll[6.0.6000.16643]
This line means that the critical system file gdi32.dll either
a) Has been tampered/modified/become corrupt to the point that its Signature Hash no longer matches the Signature Hash listed in Vista's System Catalog.
Or
b) The dnsapi.dll file has recently been updated but the file's Signature Hash was not updated, in Vista's System Catalog to reflect the updated dnsapi.dll file's new Signature Hash.
Vista compares a Critical System file's Signature Hash with the Signature Hash listed in its System Catalog to determine if that Critical System file has been tampered with. Normally, I do this by having the user re-install a past Update that contained that file. Unfortunately, I can not find any past updates that contain this file, so I only have a few additional options to resolve the issue.
A) Repair Windows using System Restore:
1. Reboot Vista into Safe Mode
2. Go to Control Panel
3. On the left hand side of the Controlee panel window, Click on "Classic View"
4. Double-click "Backup and Restore Center"
5. On the left hand side of the window, click "Repair Windows using system restore
6. Select "Choose Different Restore Point", Put a check in the box that says "Show restore points older than 5 days", select the restore point that corresponds to the date Before you first noticed the issue.
6. Click the "Next" button.
7. Reboot back into Normal mode
8. Vista should no longer be in Reduced Functionality mode
B) Reinstall Vista:
I do not like suggesting this as a fix, but if option A don't fix the issue, this is the only other option, that I know of, that will.
Thank you,
Darin Smith
WGA Forum Manager
Friday, April 18, 2008 8:49 PM