Avast! Antivirus by Avast!

What is Avast! Antivirus?

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Overview

How do I clean Avast! Antivirus?

Avast! Antivirus may store excess, temporary data on your computer that can take up valuable space. It may also store private data such as passwords or browsing history in the registry or on the file system. The easiest way to erase this data is by downloading AppCleaner, it is 100% free and about 1MB in size. A portable version is also available.

Clean Avast! Antivirus
with AppCleaner

If you want to clean Avast! Antivirus manually, you can follow the steps outlined below. There are eight locations in the file system where Avast! Antivirus stores data that can be cleaned.

Files

To clean your file system from files stored by Avast! Antivirus and to gain free disk space, examine the following file system locations. First of all, open a command prompt window:

• Hit the Windows key , usually located in the lower left of your keyboard between the Ctrl and Alt keys.
• Windows XP/Vista/7: Click Run...
• Type cmd
• Hit Enter

Now list all the files stored by Avast! Antivirus that can be cleaned:

1. Type dir /s %ALLUSERSPROFILE%/AVAST Software/Avast/backup/*
   • Windows XP: Type dir /s %ALLUSERSPROFILE%\Application Data/AVAST Software/Avast/backup/*
2. Type dir %ALLUSERSPROFILE%/AVAST Software/Avast/report/*.txt
   • Windows XP: Type dir %ALLUSERSPROFILE%\Application Data/AVAST Software/Avast/report/*.txt
3. Type dir %ALLUSERSPROFILE%/AVAST Software/Avast/log/*
   • Windows XP: Type dir %ALLUSERSPROFILE%\Application Data/AVAST Software/Avast/log/*
4. Type dir %ALLUSERSPROFILE%/AVAST Software/Avast/Log.db
   • Windows XP: Type dir %ALLUSERSPROFILE%\Application Data/AVAST Software/Avast/Log.db
5. Type dir %ALLUSERSPROFILE%/AVAST Software/Avast/backend.txt
   • Windows XP: Type dir %ALLUSERSPROFILE%\Application Data/AVAST Software/Avast/backend.txt
6. Type dir /s %LOCALAPPDATA%/VirtualStore/ProgramData/AVAST Software/Avast/backup/*
   • Windows XP: Type dir /s %USERPROFILE%\Local Settings\Application Data/VirtualStore/ProgramData/AVAST Software/Avast/backup/*
7. Type dir %LOCALAPPDATA%/VirtualStore/ProgramData/AVAST Software/Avast/report/*.txt
   • Windows XP: Type dir %USERPROFILE%\Local Settings\Application Data/VirtualStore/ProgramData/AVAST Software/Avast/report/*.txt
8. Type dir %LOCALAPPDATA%/VirtualStore/ProgramData/AVAST Software/Avast/log/*
   • Windows XP: Type dir %USERPROFILE%\Local Settings\Application Data/VirtualStore/ProgramData/AVAST Software/Avast/log/*
9. Type dir %LOCALAPPDATA%/VirtualStore/ProgramData/AVAST Software/Avast/Log.db
   • Windows XP: Type dir %USERPROFILE%\Local Settings\Application Data/VirtualStore/ProgramData/AVAST Software/Avast/Log.db
10. Type dir %LOCALAPPDATA%/VirtualStore/ProgramData/AVAST Software/Avast/backend.txt
    • Windows XP: Type dir %USERPROFILE%\Local Settings\Application Data/VirtualStore/ProgramData/AVAST Software/Avast/backend.txt

Once you have identified the files stored by Avast! Antivirus that you want to clean, delete them using the del command or Windows Explorer.