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Note, when upgrading from ClamXAV 3.1.1 you will be prompted for your administrator password to complete the upgrade process. This name and password is not specific to ClamXAV — it's the one you use when you log into the computer.

If you're having problems, please ensure you're running the latest version of ClamXAV (3.2) and restart your computer, before reaching out to us.

Pop your details in the fields below and we’ll get back to you as soon as we can. If you’ve lost your registration details (your ‘key’) try lost key retrieval in the first instance!

We respond to every request we receive (promise!) and our reply will either come from or – so, if you use a spam filter, please ensure that you’ve allowed emails from these addresses to reach you. If you haven’t heard from us within 48 hours, give your spam mailbox a quick check first!