If you get an access denied error while installing Windows XP sp3 then these steps might be of help to you.
First method:
Try downloading full install package from microsoft website and install it. It can be obtained by going to the link http://support.microsoft.com/kb/322389/.
Second method:
Restart the computer and disable any anti virus or anti spy ware program [...]
In the event that you are not able to install updates usign WindowsUpdate you can follow any of the following procedures :
Use a utility like ccleaner clear up PC Junk. Also flush the Software Distribution Folder and then reboot. If you are using WindowsUpdate try using MicrosoftUpdates and vice versa.If you still cannot Update Windows Vista (or [...]
If you find that a particular Windows Vista Update does not install, here are some suggestions:
First clear up your Temp File/Cache, Reboot and try again. Best and easier to use CCleaner. Disable your Firewall and try ! In many cases, the update may fail to install in the first instance, but for some inexplicable [...]
System resources, such as file data, registry data, and even in-memory data, can develop inconsistencies during the lifetime of the operating system. These inconsistencies may be caused by various hardware failures or by software issues. In some cases, these inconsistencies can affect the Windows Servicing Store, and they can cause a Windows Vista update to [...]
If, when you open Windows Update website, you get a blank Windows Update page, you may have to re-register the following:In Vista’s Start Menu search Bar, type Run and hit enter. Next type the following, one after the other and click OK after each. This will probably help you.
regsvr32 jscriptregsvr32 vbscriptregsvr32 /i mshtml
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