: If your code is not being accepted, you can perform a factory reset by disconnecting both AC power and the backup battery, then holding the * key while reconnecting power. Troubleshooting :

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SoftPerfect explicitly warns against typing the key manually, as this can introduce errors and cause the activation to fail. If you accidentally damage the key (for example, if your email client adds extra symbols to the key text) and it appears invalid, contact SoftPerfect support to have a fresh copy resent.

Disguised software that opens a backdoor into your operating system.

Press the activation button to prompt network verification.

Unofficial keys are regularly blacklisted during background checks.