Hmmm... why should you disable and even uninstall avast to install it remains a mystery?
What was the error message when you try to install with avast still installed?
Probably because it messes up installation of another program? Can't you guys read? What's so wrong killing avast for a few seconds? I have same problem and then I hit this thread where so called evangelists say it's almost a crime to shutdown antivirus. HAH.
Had you followed your own advice (Can't you guys read? ) you will see in my first reply.
you can right click the avast icon and select Stop On-Access Protection, and reverse that Start On-Access Protection when you are done.
How to stop avast completely for a few seconds.
And in my second reply another means of 'Pausing' just the provider most likely to have any interaction.
Pausing the Standard Shield should be more than enough as that is the element that would be scanning installed/newly created files.
I don't believe it is a crime to pause the standard shield or even stop on-access protection, my only concern, was why it would be necessary at all as avast doesn't block but scans and alrets to infection.
That is why we were asking questions, to get to the bottom of the problem, nothing more, but we never got any further answers from the original poster, which is why I guess this topic has lain dormant for 5 months.