Your license was issued on Jan 1, 2025, but your system clock shows Dec 1, 2024. The decryption fails because the license appears "not yet valid" at the cryptographic level.
There are three primary categories that trigger this specific error. Identifying which one applies to your situation is half the battle. Your license was issued on Jan 1, 2025,
Disable real-time protection, then attempt activation. If it works, add the license file and the software’s activation process as exceptions in your antivirus. Identifying which one applies to your situation is
The license file was altered during download or transfer (e.g., by an email filter or a copy-paste error). The license file was altered during download or transfer (e
Your software is trying to be secure, but something in the environment (time, data, or files) changed just enough to break the math. By systematically checking the five culprits above, you will resolve the issue 95% of the time without ever needing to email support.