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August 31, 2012 14:45 Uninstall / Re-Install Instructions #215517
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_malchys_

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First some things to remember...

Standard and limited user accounts normally do not have the proper rights to make changes to Windows so always log into a Windows with a user account that has full administrator rights when installing any software including AVG.
How to check if I'm using Administrative account

Most antispyware, parental control and process monitor types of protection software can block the required changes when installing AVG program, so make certain to disable them when installing or uninstalling AVG.

To remove the AVG Secure Search toolbar and revert all associated changes in your browser settings please follow FAQ 5200 or this thread.

How to uninstall AVG:
- Download AVG uninstall/cleanup utilty and run it (if running Windows Vista/7/8 : remember to right-click on it and choose "Run as Administrator"):

AVG Remover (32 bit & 64 bit version)

Please be informed that AVG remover must be finished completely - stopping of AVG services may take more time.

- After restart please remove these folders*:

Windows XP
C:\Program Files\AVG or C:\Program files(x86)\AVG (for 64bit OS)
C:\Documents and settings\All users\Application data\AVG<all versions>
C:\Documents and settings\All users\Application data\MFAData

Windows Vista/7/8
C:\Program Files\AVG or C:\Program files(x86)\AVG (for 64bit OS)
C:\ProgramData\AVG<all versions>
C:\ProgramData\MFAData
C:\Users\<user>\AppData\Roaming\AVG<all versions>

* Some folders could be hidden by default Windows settings. To view hidden files and folders please read How To Display Hidden Files And Folders

( Stop here if not re-installing )

- Then download the latest AVG Free|AntiVirus|Internet Security offline installation file (either Item 2-32bit or Item 3-64bit whichever suits your operating system) and run it.
- Follow the wizard to install AVG.

FAQ article about AVG installation can be found here.