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• About your Total Defense Account
• Why does my product show an "Update failed[-3000]" error message?
• Why does my product show "Signatures are outdated" alert immediately after startup?
• Why does my product show Expired after I renewed?
• How to update your Email Address information
• How to update your credit card information
• Where can I find my Registration Code and check Expiration Date?
• How do I Claim my Rebate?
• Cancel Automatic Renewal
• How to renew a Subscription
• How to install Total Defense Essential Anti-Virus
• How to install Total Defense Ultimate Internet Security
• Where can I download my Total Defense Software?
• How to install Total Defense Premium Internet Security
• How to install PC Tune-Up