[Macboatmaster]

Wrinkly Pete

It appears you are having problems with MSE

About this time I noticed another problem. By now Microsoft Security Essentials regarded my PC as invalidated and using invalidated software, so it stopped working!

Your other topic
http://www.geekstogo...ity-essentials/

which you started just an hour ago, is to some extent, similar to the problem that did exist here.

Fragments of previously installed AV ;programs, CCleaner, Advanced System Care and other such programs can cuase these problems.

The fragments of the previously installed Anti Virus, may conflict with MSE and the usually provided uninstall/clean utility from the AV provider should be used.

In the case of AVG the AVG removal tool should be used.
http://www.avg.com/gb-en/utilities

Other AV providers tools can be found from their respective websites

Insofar as relates to the actual errors both here and particularly on the other topic, the use of the CCleaner, Advanced system care and the like delete the MSE history file and is a well known cause of these errors.

I have also posted the same reply on the other topic

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Macboatmaster,

I would like to point out these 2 problems are on different PCs. The Reactivation problem was on my Windows XP gaming PC. The MSE problem I've posted on the Application forum is on a Windows 7 laptop.

BTW, I ran the AVG Removal tool on ALL my 4 PCs before installing MSE.

Edited by Wrinkly Pete, 10 May 2012 - 10:37 AM.

[Wrinkly Pete]

Macboatmaster,

I would like to point out these 2 problems are on different PCs. The Reactivation problem was on my Windows XP gaming PC. The MSE problem I've posted on the Application forum is on a Windows 7 laptop.

BTW, I ran the AVG Removal tool on ALL my 4 PCs before installing MSE.

Edited by Wrinkly Pete, 10 May 2012 - 10:37 AM.

[Macboatmaster]

It is best I think, and I should havem mentioned it before if I continue on the other topic.


http://www.geekstogo...ity-essentials/


otherwise I see the real prospect of you trying to reply to both.

The symptoms you experienced on here, albeit, it was XP can also be cuased by an improper install of MSE, or the use of the aforementioned programs which delete the history of MSE

On the other topic I have posted the solution.