In some cases it happens that the activation file can indeed imported, but is requested each time when cadvilla will be started again.
You can solve this problem as follows:
- Go to the folder of “My Documents”
- Then go into the folder “cadvilla professional plus5” or “cadvilla professional 5”
- Delete the folder “Licenses” with all included files.
Then start cadvilla again and import the activation file as normal via the dialog.
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