You said you don't have a proxy server. Is this a home PC or work PC?
Specific Troubleshooting Items for Error 0x8024402c
From MS Article
883821:
(If you didn't do this, go ahead and do it, just to rule it out)
0x8024402C or 0x8024502d error codesTo resolve these errors, remove characters from the proxy exception list, and then clear the proxy cache. To do this, follow these steps: 1. Open Internet Explorer.
2. On the Tools menu, click Internet Options.
3. Click the Connections tab, click LAN Settings, and then click Advance.
4. Delete any entry in the Exceptions section.
5. Quit Internet Explorer.
6. Click Start, click Run, type cmd, and then click OK.
7. Type the following commands. Press ENTER after each command. • proxycfg -d
• net stop wuauserv
• net start wuauserv
[/list]See also this
link and this
thread for some additional troubleshooting tips.
General Troubleshooting Items for Microsoft Update Problems
Step 1Start >Run, type
regsvr32 jscript.dll<enter>Try windows update. Now working still? Try
Start >Run, type
regsvr32 MSXML3.dll <enter>Try windows update. Now working still? Try
Step 2See
Microsoft Article 822798 for full details.
Clear the temporary file and restart the hotfix installation or the service pack installationTo do this, follow these steps: 1. Move all the tmp*.cat files out of the following folders:
%systemroot%\system32\CatRoot\{127D0A1D-4EF2-11D1-8608-00C04FC295EE}
%systemroot%\system32\CatRoot\{F750E6C3-38EE-11D1-85E5-00C04FC295EE}
2. Type the following at the command prompt, and then press ENTER:
net stop cryptsvc
rename the %systemroot%\system32\CatRoot2 %systemroot%\system32\oldcatRoot2
net start cryptsvc
3. Restart the failed hotfix installation or service pack installation.
Clear all files in the software distribution folderTo do this, follow these steps:1. Click Start, click Run, type services.msc, and then click OK.
2. In the Services (Local) pane, right-click Automatic Updates, and then click Stop.
3. Minimize the Services (local) window.
4. Select all the contents of the Windows distribution folder, and then delete them.
Note By default, the Windows distribution folder is located in the drive:\Windows\SoftwareDistribution folder. In this location, drive is a placeholder for the drive where Windows is installed. 5. Make sure that the Windows distribution folder is empty, and then maximize the Services (local) window.
6. In the Services (Local) pane, right-click Automatic Updates, and then click Start.
7. Restart the computer, and then run Windows Update again.
Additional references:
http://support.micro...kb;en-us;906602http://support.microsoft.com/kb/910341http://support.micro...om/?kbid=902093