The current and expected states of the data store do not match.
Which Version of Windows and what Service Pack level ?
Check the installed Add-ons for Internet Explorer and Disable all
add-ons that do not belong to Microsoft.
In the Control Panel, open Internet Options.
Click the Programs tab.
Click the Mangage Add-ons button.
IF a 3rd party add-on is not causing the issue, then suggest you rename
DataStore.edb, located in
In order to rename DataStore.edb one must stop the associated services
that use it first. In XP, stop Automatic Updates and BITS. This can be
done from Start > Run > cmd
Click OK or press Enter.
In Vista, Windows Updates and BITS must be stopped using an *Elevated*
See this MSKB to learn how to run an Elevated Command Prompt:
See: " For computers that are running Windows Vista and Windows Server
Instead of elevating Notepad, as shown, enter 'command' in the Start
Search box. That's command without the ' '.
You do not need to rename the entire SoftwareDistribution folder hierarchy,
ren SoftwareDistribution SoftwareDistribution.old
Instead, use these commands to rename DataStore.edb
net stop wuauserv
net stop bits
ren datastore.edb datastore.old
net start wuauserv
net start bits
DataStore.edb is subject to corruption/damage when the installed
antivirus/security software is scanning it while it's 'locked' [in use].
To avoid the same issue in the future, see:
Virus scanning recommendations for computers that are running Windows
Server 2003, Windows 2000, Windows XP, or Windows Vista
MowGreen [MVP 2003-2009]
> Have read all of the posts on this error and none seem to work. I'm willing
> to try again but hope someone can suggest best course of action. Here what
> happens: WU checks for software... checks OK and then presente Express or
> Custum radio buttons. After a short time, the error page & code pops up.
> Anything new out there that I should try?