Quark has released a free update to fix this issue. To download the free updater please Click Here

Once the updater has been successfully executed, Please follow the steps below;

  1. Launch QuarkXPress

  2. Choose QuarkXPress > Preferences.

  3. Click XTensions Manager in the list on the left.

  4. Under Show Xtensions Manager at Startup.select When> Error occurs while loading XTensions

  5. Click OK.