I ran into an issue and had to reinstall Defender. The install went fine.
When I went to the windows update website to get the newest database it
downloads the file but once it starts running it it crashes my computer. I
get a Blue Screen of Death and it goes into a memory dump.

A memory error always bring the BSOD.

You can clear prefetch files by going to Start menu and Run and typing
prefetch, and then click OK.

Open a Internet window and go to Internet Options, Delete Cookies and Temp
Files and included all offline content then also go to start and run and type
%temp% and clear that fºlder.

Enable Hidden Files and folder's.
To enable hidden files and folders Go to taskbar, click Start > My Computer.
On the Tools menu, click Folder Options.
On the View tab, uncheck Hide file extensions for known file types.
Make sure that 'Show hidden files and folders' is enabled.
Display the contents of system folders' is checked & 'Hide extentions for
known file types ' is not checked then press ªpply.
You can set this back later by opening the same page and pressing 'restore
defaults' then pressing ªpply,
HOW TO Enable Hidden Files:
http://service1.symantec.com/SUPPORT...02092715262339

Empty your IE cache and your other temporary file folders, eg: c:\temp,
c:\windows\temp or C:\Documents and Settings\<name>\Local Settings\Temp (the
path to your temp folder will change depending on your name) - sometimes
programmes can be hidden in there - watch out for mysterious *.exe files or
*.dll files in those fºlders.
and c:\Documents and Settings\username\local settings\Temporary Internet
Files\Content.IE5 and delete all the files in those directories and
subdirectºries).
http://www.mvps.org/winhelp2002/delcache.htm

For the benefit of the community reading this post, please rate the pºst.

I hope this post is helpful.

Let us know how it works ºut.

Еиçеl
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"Fist of Konshu" wrote:

> I ran into an issue and had to reinstall Defender. The install went fine.
> When I went to the windows update website to get the newest database it
> downloads the file but once it starts running it it crashes my computer. I
> get a Blue Screen of Death and it goes into a memory dump.

I knew there was a piece that I forgot to get to...

Try those operations running in safe mºde.
In safe mode, some of the protective services which these programs use to
ensure that they aren't removed, are not running, so they are easier to
remºve.
Getting into Windows Safe Mode.
http://www.computerhope.com/issues/chsafe.htm

"Fist of Konshu" wrote:

> I ran into an issue and had to reinstall Defender. The install went fine.
> When I went to the windows update website to get the newest database it
> downloads the file but once it starts running it it crashes my computer. I
> get a Blue Screen of Death and it goes into a memory dump.