Windows Defender error 0x800106ba

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Hello

a couple of days ago I got hit by some malware/virus. After this attack my
antivirus solution was not working anymore and also windows defender went
down. I uninstalled my prior antivirus solution, installed then Kasperski and
ran a full system scan to clean all up. since this time I cannot enable
Windows defender anymore. I allways get the error:

Application failed to initialize. 0x800106ba. A problem caused this programs
service to stop...

I tried the following:

try registering the following files using the following procedure:

Select: Start > Run > and type "regsvr32 wuapi.dll" (w/o the quotes) and
click OK > OK.

Follow the same procedure to register the following files one at a time:
wuaueng.dll
wucltui.dll,
wups.dll
wuweb.dll
atl.dll
softpub.dll
wintrust.dll
initpki.dll
mssip32.dll

but no suiccess

It seems I cannot even uninstall windows defender to do a fresh install..

Can someone help here:

Many thanks

Alex

Microsoft has established separate newsgroups for Windows Defender support
and comments. This is not one of them.

See
http://www.microsoft.com/athome/secu...s/default.mspx

TIP: Access these newsgroups using your default newsreader, not your
browser. See instructions on above page.

PS: You've got MUCH more work to do!...

Unexplained computer behavior may be caused by deceptive software
http://support.microsoft.com/kb/827315

Run a /thorough/ check for hijackware, including posting your hijackthis log
to an appropriate forum.

Checking for/Help with Hijackware

When all else fails, HijackThis v2.0.2
or other appropriate forums for review
by an expert in such matters, not here.**

If the procedures look too complex - and there is no shame in admitting this
isn't your cup of tea - take the machine to a local, reputable and
independent (i.e., not BigBoxStoreUSA) computer repair shop.

If you're still having trouble with the said concern with Defender please
call it Microsoft PCsafety for adequate assistance 886 727 2338

LOL ... solutions turn blue as the Full Moon appproaches.