How do I Troubleshoot Windows Update Problems?
Verify the Language Settings
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1. Start Internet Explorer.
2. Click “Tools”, and then click “Internet Options”.
3. Click the “General” tab, and then click “Languages”.
4. In the “Language “list, make sure that the operating system language version is included. If the operating system language version is not on the list, click “Add”, click the language in the “Language” list, and then click “OK” three times.
Internet Zone Security
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1. Start Internet Explorer.
2. Click “Tools”, and then click “Internet Options”.
3. Click the “Security” tab, and in the” Select a Web content zone to specify its security settings” box, click “Internet”.
4. Click “Default Level”, and then click “Apply” to set this zone to Medium security.
5. Click “OK”.
Verify that the Date and Time is Set Correctly
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1. Click “Start”, click “Control Panel”, and then double- click “Date and Time”.
2. Click the “Date and Time” tab, and then verify and correct, if necessary, the date and time.
To set the correct date and time, follow these steps:
a. In the “Date” box, in the month list, click the present month.
b. In the year list, click the present year.
c. In the calendar, click the present date.
d. In the “Time” box, click to select the hour and then use the up or down arrow to adjust the hour. Repeat his procedure for the minute and second settings.
e. Click “a.m.” or “p.m.” and use the up or down arrow to change to a.m., if it is currently before noon, or p.m., if it is currently after noon.
f. Click the “Time Zone” tab, and then in the “Time Zone “list, click the time zone for the place where you are currently.
3. Click “Apply”, and then click “OK”.
Set the Operating System to Display Hidden Files
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1. Click “Start”, and then click “Control Panel”.
2. Double-click “Folder Options”.
3. Click the “View” tab, and in the “Advanced settings” box, find
“Hidden files and folders”, and then click to select “Show Hidden files and folders”.
Rename the Catalog Files
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NOTE: This section does not apply to Windows 98 and Windows Millennium Edition.
1. Click “Start”, click “Run”, type “CMD” (without the quotation marks), and then click “OK” to open Command Prompt.
2. Type “CD\” (without the quotation marks), and then press ENTER.
3. Type “CD WINDOWS\System32\Catroot2″ (without the quotation marks), and then press ENTER.
4. Type “REN edb.log edb.old” (without the quotation marks), and then press ENTER.
Remove and Reinstall Windows Update Dependent Files and Folders
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1. Click “Start”, click “Run”, type “cleanmgr” (without the quotation marks), and then click “OK”.
2. In Disk Cleanup, in the “Files to delete” list, click to select “Temporary Internet Files”, click to clear all other items in the list, and then click “OK”.
3. Click “Start”, click “Run”, type “CMD” (without the quotation marks), and then click “OK”.
4. Type “CD\” (without the quotation marks), and then press ENTER.
5. Type “MD backup” (without the quotation marks), and then press ENTER.
6. Type “CD Program Files\WindowsUpdate\V4″ (without the quotation marks), and then press ENTER.
7. Type “copy iuhist.xml C:\backup” (without the quotation marks), and then press ENTER.
8. Type “del *.*” (without the quotation marks), and then press ENTER.
9. Type “CD\” (without the quotation marks), and then press ENTER.
10. Type “CD C:\Windows\System32\dllcache” (without the quotation marks), and then press ENTER
11. Type “del iuengine.dll” (without the quotation marks), and then press ENTER
12. Type “del iuctl.dll” (without the quotation marks), and then press ENTER.
13. Type “del iuenginenew.dll” (without the quotation marks), and then press ENTER.
14. Type “CD\” (without the quotation marks), and then press ENTER.
15. Type “Del WUTemp” (without the quotation marks), and then press ENTER. NOTE: If you are prompted to insert the Windows installation CD-ROM, click “Cancel”. You will download newer versions of these files from the Windows Update Web site.
16. Type “MD wupdate” (without the quotation marks), and then press ENTER.
17. Click this link to visit http://v4.windowsupdate.microsoft.com/cab/x86/unicode/iuctl.cab.
18. In “File Download”, click “Save”.
19. In the “Save In” list, click “Local Disk (C:)”, click “wupdate”, and then click “Save”.
20. In “Download Complete”, click “Close”.
21. In Command Prompt, type “cd wupdate” (without the quotation marks), and then press ENTER.
22. Type “expand -f:* iuctl.cab C:\wupdate” (without the quotation marks), and then press ENTER.
23. Click “Start”, right-click “My Computer”, and then click “Explore”.
24. Double-click “Local Disk (C:)”, and then double-click “wupdate”.
25. Right-click “iuctl.inf”, and then click “Install”
Verify That Port 443-https is Open
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Windows Update uses the Secure HTTP port to connect to your computer. To test whether port 443 is open on your computer, follow these steps:
1. Start Internet Explorer.
2. In the Address bar, type “https://www.microsoft.com:443″ (without the quotation marks), and then press ENTER.
If you cannot connect to Microsoft.com, or you receive an error message, the port may be blocked.
Clear “Automatically Detect Settings” and “Use Automatic Configuration Script” in LAN Settings
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1. Click “Start”, and then click “Control Panel”.
2. Double-click “Internet Options”.
3. Click the “Connections” tab, and then click “LAN Settings.”
4. Click to clear the “Automatically detect settings” and “Use automatic configuration script” checkboxes.
Turn Off Any Personal Firewall That Is Installed On Your Computer.
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If you have a firewall installed on your computer, close the program, and stop the service. To stop the service, follow these steps:
1. Click “Start”, click “Administrative Tools” and then double-click
“Services”.
2. In the list of services, right-click the service for your firewall software, and then click “Stop”.
Disable Third Party Services
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NOTE: This section applies to Windows XP only.
1. Click “Start”, click “Run”, type “msconfig” (without the quotation marks), and then click “OK”.
2. In “System Configuration Utility”, clicks the “Services” tab, and then clicks to select the “Hide all Microsoft Services” check box.
3. Click “Disable All”, and then click “OK”.
4. Restart your computer, and then run Windows Update. If you can now connect to Windows Update, then the problem is related to some third-party software.
5. To determine the third party software that is causing the problem, in System Configuration Utility, click to select the check box for one Non-MS Service at a time, in order to turn that service back on again, restart your computer and then run Windows Update. When Windows Update does not connect, the service that you enabled last is the cause of the problem.
Filed under: WSUS


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