Windows XP Freezes on AVAST

[ltsab]

Ever since I downloaded AVAST free 5 edition I can not run a full system scan, it keeps freezing up on me. I was able to run a scan with (4) but not the 5th edition. How do I fix this.

[YoKenny]

What is your operating system and Service Pack level

How much RAM does the system have

[Lisandro]

I suggest 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. Uninstall avast from Control Panel (if possible). If, for any reason, you can't run it, try booting in Safe Mode and doing it from there. Anyway, boot after that.
4. Run the avast! Uninstall Utility saved on 1. If, for any reason, you can't run it, try booting in Safe Mode and doing it from there. Anyway, boot after you've run it.
5. Install avast! using the setup saved on 2. Boot.
6. Register your free copy or add the license key for Pro.
7. Check and post the results.