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“Invalid License Key” Error Message When Upgrading or Installing VisualSP Classic

Applies to: VisualSP Classic
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Problem

When installing, re-installing, or upgrading VisualSP Classic you receive an "Invalid License Key" error message stating "The current license key is not valid for this version of VisualSP and you must provide a new key to continue." This may happen when providing a known valid license key or when selecting the I want to use an existing key already provided option.

Cause

Beginning with the release of VisualSP Classic version 5.4.0.0, a minor change was made to the license key algorithm. This change caused some valid license keys to no longer be properly recognized as valid during the installation process.

Solution

Contact us at vsp-support@visualsp.com and we will provide you with an updated license key.  
Updated on April 3, 2020

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