Go to the AVG official site and manually download any updates.Current updates are in different areas of the website for the free version and the paid for version.
If a "non-Microsoft" file is located in the C:\Windows or C:\Windows\System32 folder, then there is a high risk for a virus, spyware, trojan or worm infection! Used for auto updates, if you update manually then this process in not needed, for Windows XP, for Windows XP hold Windows key R, then type in the run box find AVG7 Update Service, right click select properties, for startup type select disabled, then click log on tab, select disable, then apply and OK , remember to run updates manually.
Like they say,it is part of AVG's anti-virus software.
Resolution Method To repair this AVG update error, uninstall the AVG software and then reinstall it again on the computer.
To ensure complete removal of AVG software, we recommend you either use the AVG uninstaller or any other reliable third-party uninstaller tool, such as Perfect Uninstaller.
AVG Update Error 1 The following errors occur when updating AVG 8.0: Cause of the Error Generally, this AVG update error occurs due to corrupt AVG update control files.