Relaunch Camtasia (Camtasia Mac Invalid Key Message)Īfter confirming that your software key is entered correctly, please try the following steps to see if relaunching Camtasia fixes your issue: Please keep in mind that the current versions (single-user and multi-user) of Snagit and Camtasia use a 25-character key (for example, XXXXX-XXXXX-XXXXX-XXXXX-XXXXX).If you type in the key, verify that you are typing all occurrences of the number zero as 0 and not the letter o.Copy and paste the entire key instead of entering it manually.Make sure there are no empty spaces at the beginning or end of the key.When entering the key in the software, follow these recommendations: Confirm That the Key Is Entered Correctly You can then download the correct version for your license key. If you are unsure which version you own, add the key to your TechSmith account. License keys are version-specific, and your key could be for a previous version. If you recently reinstalled and downloaded the software from the website, chances are that you downloaded a free trial of the most current version. Confirm That the Key Matches the Software Version

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