Removing License Key Repository
Importing license key inappropriately can cause you to corrupt the license key repository. The only solution possible at that point would be removing all the existing keys and then re-importing them again.
Using the License Key Manager
You can remove all keys inside through the License Key Manager. In the License Key Manager, select License Keys > Remove All Keys. After that the License Key Repository will become empty.
Removing the License Key Repository Directory
For Windows Users
The license key repository is under %User_Home_Directory%/.vplls. Removing the license key repository will result in the request of a license key file during the next time you start any Visual Paradigm products. To remove the repository, simply delete the .vplls directory.
For Linux Users
The license key repository is under %User_Home_Directory%/.vplls and is hidden. Removing the license key repository will result in the request of a license key file during the next time you start any Visual Paradigm products. To remove the repository:
Method 1 - Removing the .vplls folder from the graphical file manager:
Method 2 - Removing the .vplls directory through console:
Start the terminal console.
Direct to the HOME_DIRECTORY.
Run the following script:
rm -r .vplls
For Mac OS X Users
The license key repository is under %User_Home_Directory%/.vplls and is hidden. Removing the license key repository will result in the request of a license key file during the next time you start any Visual Paradigm products. To remove the repository:
Method 1 - Removing the .vplls folder from the graphical file manager:

Method 2 - Removing the .vplls directory through console:
Start the console.
Direct to the HOME_DIRECTORY.
Run the following script:
rm -r .vplls
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