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My PC is infected with a virus, I cannot connect to the network to update my virus definitions

How to protect your PC against computer viruses or malware?

Useful Information on Network Security, Anti-Virus and Anti-Spyware

Do I need to update the Windows, anti-virus and software manually?

Healthy and Environmentally Friendly PC

Installation Guide of Sophos Home

FAQs on Moodle and Panopto for Teachers and Students

I cannot connect to Campus Network (LAN) via cable connection. What should I do?

What constitutes computer and network abuse?

Why Microsoft Outlook fails to connect my mailbox after migrated to Exchange?

Information Technology Services Guide

Security Tips on Using HKU Portal

User Guide on HKU Portal

My account is EXPIRED/INACTIVATED. How can I reactivate my account?

Use of Information Rights Management (IRM) for Email and File Protection

FAQ for Sophos Home Commercial Edition

Microsoft Exchange Online Email Sending, Receiving Limits and Maximum size limit