Can't update any antivirus

[Nirad]

I am facing big problem on my computer install syamantec and avg antivirus on computer. but when i click on updates it freezes 1% into the scan. It won't update . On my laptop i also install syamantec that updated i don't know whats the problem while updating on my computer.

Can some one help me ?
Thanks

[MACAWI]

Uninstall above anti virus from your computer and Download AVG Anti-Virus Free Edition he AVG antivirus and Internet Security Protection package has been a mainstay in computer circles for several years now. As well as removing all sorts of viruses, AVG offers real-time protection against Trojans and Worms.

[Maceo]

Check Norton is completely off in your computer by downloading and running the Norton Removal Tool from the link . You can use a other computer to do the download. Download the files, then copy them to a CD or flash drive, then transfer them to the problem machine.

[KACY]

Run LiveUpdate from the Symantec System Center Console

• Right-click the primary server, point to All Tasks, point to Norton AntiVirus, and then click Virus Definition Manager.
• Click Configure.
• Click Update Now.
• LiveUpdate is now running silently in the background on the primary server.

To run LiveUpdate from the Norton AntiVirus interface

• Open Norton AntiVirus Corporate Edition.
• Click LiveUpdate
• Follow the on-screen prompts to download the latest definitions.