Re: Windows Defender - unable to complete the update

I tried that, but the line Msiexec /x {A5CC2A09-E9D3-49EC-923D-03874BBD4C2C}
does not work for me, I get an error message saying "This action is only
valid for products that are currently installed.

"Carey Frisch [MVP]" wrote:

> Try this workaround:
>
> 1. Remove the current signature file. To do this, click Start, click Run, type
> Msiexec /x {A5CC2A09-E9D3-49EC-923D-03874BBD4C2C}
> and then click OK.
> 2. Open Windows Defender. To do this, click Start, click Programs,
> and then click Windows Defender.
> 3. Check for new definitions. To do this, click the Help options arrow next
> to the Windows Defender Help icon, click About Windows Defender, and
> then click Check for Updates.
>
> "Windows Defender definitions haven't been updated"
> http://support.microsoft.com/Default.aspx?kbid=915105
>
> --
> Carey Frisch
> Microsoft MVP
> Windows - Shell/User
> Microsoft Community Newsgroups
> news://msnews.microsoft.com/
>
> ---------------------------------------------------------------------------Â*----------------
>
> "Enoch Root" wrote:
>
> | Glad I'm not the only one. I've been getting the same thing. It's also been
> | trying to update automatically for several days and failed. If you try via
> | Windows Update, critical updates then it downloads but also fails to install.
> | It says the problem occurs after you uninstall and try to reinstall Windows
> | Defender, but I have never done either, and I upgraded from Microsoft
> | Antispyware, so have been using it for a year. There is definately a bug at
> | microsoft's end.
>
>

Why are you replying to a thread from April 2006?


Alain wrote:
> I tried that, but the line Msiexec /x
> {A5CC2A09-E9D3-49EC-923D-03874BBD4C2C}
> does not work for me, I get an error message saying "This action is only
> valid for products that are currently installed.
>
> "Carey Frisch [MVP]" wrote:
>
>> Try this workaround:
>>
>> 1. Remove the current signature file. To do this, click Start, click Run,
>> type Msiexec /x {A5CC2A09-E9D3-49EC-923D-03874BBD4C2C}
>> and then click OK.
>> 2. Open Windows Defender. To do this, click Start, click Programs,
>> and then click Windows Defender.
>> 3. Check for new definitions. To do this, click the Help options arrow
>> next
>> to the Windows Defender Help icon, click About Windows Defender, and
>> then click Check for Updates.
>>
>> "Windows Defender definitions haven't been updated"
>> http://support.microsoft.com/Default.aspx?kbid=915105
>>
>> --
>> Carey Frisch
>> Microsoft MVP
>> Windows - Shell/User
>> Microsoft Community Newsgroups
>> news://msnews.microsoft.com/
>>
>> ---------------------------------------------------------------------------Â*----------------
>>
>> "Enoch Root" wrote:
>>
>>> Glad I'm not the only one. I've been getting the same thing. It's also
>>> been trying to update automatically for several days and failed. If you
>>> try via Windows Update, critical updates then it downloads but also
>>> fails
>>> to install. It says the problem occurs after you uninstall and try to
>>> reinstall Windows Defender, but I have never done either, and I upgraded
>>> from Microsoft Antispyware, so have been using it for a year. There is
>>> definately a bug at microsoft's end.