Your MBAM scan came out clean…good news.
Do you currently have Kaspersky trial on your machine now along with Avast? If so, having 2 AV’s (antivirus software) on your machine will cause conflicts. You will need to run the Kaspersky (KAV/KIS) Uninstaller Tool: http://support.kasperskyamericas.com/knowledge-base-article/1464, then reboot your machine.
After this, since having 2 AV’s most likely corrupted Avast, you will also need to uninstall Avast and do a clean install:
- Save a copy of Avast for the product you need and save it to your HDD:
http://www.avast.com/download-software – all products (Free, Pro, AIS) – 6.0.1091
or you can try the beta version 6.0.1119:
Free: http://files.avast.com/files/beta/6.0.1119/setup_av_free.exe
Pro: http://files.avast.com/files/beta/6.0.1119/setup_av_pro.exe
AIS: http://files.avast.com/files/beta/6.0.1119/setup_ais.exe
- Download the Avast Uninstall Utility http://files.avast.com/files/eng/aswclear6.exe and save it to your HDD.
- Disconnect from the Internet at this time.
- Go to Control Panel and uninstall Avast through Add/Remove Programs if possible and reboot.
- If Step 4 fails, boot into Safe Mode (hit F8 repeatedly) and run the Avast Uninstall Tool.
- Reboot.
- Install the newest version of Avast and reboot.
- Get Internet access and register your copy or add the license key for Free, Pro, or AIS.
- Update the Avast definitions.
Let us know if this fixes your problems. Thank you.