Avast! Update caused CPU to run at 100% and stopped internet

[cws666]

Hi,
I was prompted to update Avast! (2014.9.92016) yesterday (31.03.2014). Whilst running the update the internet stopped working.  I also noticed that my CPU was at 100%.  After checking, it seems that Avast! is using over 90% of my CPU.  I have now disabled all shields, CPU is a lot better and I have my internet back. (A bit annoying as an engineer is coming out to look at my router!). I did try to ring the helpdesk but failed to get through).

This means that I no longer have virus protection.

Can anyone advise please?

[Eddy]

Perform a repair, if that doesn't solve it perform a clean installation of avast.

[Bastoune]

Hi Eddy,
I just wanted to thank you for your suggestion. I had the same issue as cws666, I performed a repair and now things are back to normal.
Thank you for your help, keep it up!
 

[cws666]

Thanks for your advice - very useful. 

Unfortunately I didn't know how to do a repair so I completely removed Avast! intending to re-install it.  I had Pro Avast! which has not expired but as I didn't want to buy another copy, I downloaded the free version.  Can you tell me how to insert the licence key please to upgrade the free version to Pro?

Thanks for your help.

[cws666]

Please ignore the previous message as I have now found out how to insert the license.avastlic file.  Unfortunately I cannot find the current one  Doh . . . . !!!

Thank for your help anyway.

[Eddy]

http://www.avast.com/resend-license-paid.php

[kevy99]

I have a similar problem. My IE quits loading every page i try to get to.  How do I perform a reapir??

[DavidR]

- avast! repair:
XP - Add Remove programs, select 'avast! Anti-Virus,' click the Change/Remove button and select Repair, click next and follow.

Vista, win7 or later - Control Panel, Programs & Features, uninstall a program, select 'avast! Anti-Virus,' click the Change/Remove button and select Repair, click next and follow.

You may need to reboot after the repair.

[guyollerearnshaw]

Thanks! Repair done and all back to normal.
Thanks!

[DavidR]

You're welcome.