This message occurs if you try to open a QuarkXPress file but the version of QuarkXPress specified as the one to use with Q++Studio cannot be found where expected.
Solution 1
To change the version of QuarkXPress used with Q++Studio, see the instructions here.
Solution 2
To install a new version of QuarkXPress, follow the instructions here.
Topic 104138, last updated on 26-Feb-2024