What password is needed to uninstall?

Avast Account (my.avast.com)
1

Computer repair person install Avast! free on my computer after a serious virus crash. Avast keeps asking for password to do anything within program. stop scans,uninstall to upgrade etc,. :-\

2

Ask the one who installed avast what password he has set.

3

Or, make an installation from scratch:

  1. Download the latest version of avast! Uninstall Utility and save it.
  2. Download the latest avast! version and save it.
  3. (Optional) If you want, save your avast! settings for later restoration (Settings > Maintenance > Back up).
  4. Uninstall avast! from Control Panel (if possible) and reboot.
  5. Run the avast! Uninstall Utility saved on 1 in and follow the instructions. Reboot Windows in Safe Mode, uninstall avast! and then reboot in Normal Mode again.
  6. Install avast! using the setup saved on 2. Register your free copy or add the license key for the paid versions. Boot.
  7. Check and post the results.

Please, be patient, boot when it’s said to boot…