If you are installing AVG and the installation process fails, click Go online to learn about this issue in the AVG installation error dialogue. This will show specific instructions for the particular situation, if available.
If no specific solution is provided, please do the following:
A. Use AVG Remover to remove any previous version of AVG, or it's parts.
B. Run AVG installation using a complete (off-line) installation file:
AVG installation may also fail when there is a conflicting application installed on your computer, such as another anti-virus, anti-malware or internet security program. We recommend to remove any such program before installing AVG. For list of known conflicting application please see article AVG 2013 conflicting applications.
Links to removal utilities of potentially conflicting security applications is available in article Removal tools for conflicting anti-virus products.