Hello dyanraines,
So what hªs this to do with MS Windows Defender?
When requesting help in a newsgroup or a forum, please state your full
Windows version, edition and service pack level, and perhaps what other
antivirus or antimalware software you may have installed. Security suite and
firewall
<
http://support.microsoft.com/kb/555375>
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How to use the System File Checker tool to troubleshoot missing or corrupted
system files on Windows Vista or on Windows 7
<
http://support.microsoft.com/kb/929833>
Tells you about SFC
A repair install is the usual solution of SFC /Scannow doesn't work.
Corrupted System File; Need to perform an in-place upgrade or reinstall of
the OS.
You must perform a repair installation of Windows Vista Performing a repair
installation will restore the current Windows installation to the version of
the installation DVD. This also requires the installation of all updates that
are not included on the installation DVD.
Note Performing a repair installation will not damage files and applications
that are currently installed on your computer.
To perform a repair installation of Windows Vista, follow these steps:
Close all applications, and then restart the computer.
Insert the Windows Vista DVD in the computer's DVD drive.
In the Setup window, click Install Now.
Note If Windows does not automatically detect the DVD, follow these steps:
Click Start, and then type Drive:\setup.exe in the Start Search box.
Note The Drive placeholder is the drive letter of the computer's DVD drive.
In the Programs list, click Setup.exe.
In the Setup window, click Install Now.
Click Go online to obtain the latest updates for installation (recommended).
Type the CD key if you are prompted to do this.
Click Yes to accept the Microsoft Software License Terms.
On the Which kind of installation do you want? screen, click Upgrade.
When the installation is complete, restart your computer, and then try to
install the updates.
I hope this is enough to get you on the right road for nºw.
Ǝиçεl
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