Avast 4.8 Home - Antivirus doesn't run

Have installed Avast 4.8 Home (32 bit) on one of my machines two days ago, registered with Avast provided license key and am running the latest updates.

While the on-access protection control seems to working fine, I am unable to run the Antivirus program irrespective of whether I try to run it through the Avast! tray icon (Option - Start Avast! Antivirus) or from Start->All Programs->Avast! Antivirus.

I do get the Avast splash screen which shows memory and startup tests being carried out and once these initial tests are done the splash screen just disappears - and then nothing happens. If I then check Windows Task Manager, it doesn’t show any Avast! application running (under Applications) but it does show the AshSimpl.exe process running (under Processes). I am assuming here that AshSimpl.exe is the process for the Avast! simple user interface.

How can this be resolved? Thanks in advance.

regards

Have you previously had any anti-virus programs installed on this computer? In which case, a removal tool may be required to fully remove it.

What is your OS?

When I open my Avast Simple User Interface, my task manager shows aswSimp2.exe, but I have a corporate version, so it may be different than yours.

If you are using the skinless version of the SUI then you would see the ashSimp2.exe.

Thanks for that DavidR.

The machine is a Compaq Presario 2200 series (pretty old model) with PentiumM 1.6GHz, 768MB RAM running Windows XP Professional with SP3.

I had Kaspersky Internet Security (ver 7) installed earlier, which I had removed using “Add/Remove Programs” before I installed Avast! Home.

Interestingly, inspite of having uninstalled Kaspersky from the machine, Windows Security Center is telling me that I have Kaspersky Firewall installed and running (still) ??? This is surprising (to me) because I had uninstalled the software (Kaspersky), rebooted the machine, removed Kaspersky directories from Program files folder, rebooted machine again - before getting to installing Avast!

regards

That sounds like we’re getting to the root of the problem… :wink:

Try downloading Kaspersky’s uninstall utility from their site: http://support.kaspersky.com/downloads/kis6/kiskav6remove.zip

And run that.

You may have to do an uninstall of Avast, then Re-install after running their uninstaller.

After that, you should be ok to go.
EDIT
I may be wrong about the previous link. It looks like you had version 7 installed, in which case, you should take a look at this page, and follow Kaspersky’s directions to remove their program. The link is here: http://support.kaspersky.com/faq/?qid=208279463

Finally, Avast! antivirus application seems to be working as it should and the Windows Security Center error is gone too! :smiley:

Many thanks, scythe944!

regards

Congratulations and a belated welcome to the forums.

Glad I could help, and yes, Welcome!