This intermittent error is a known issue in early MET/CAL software versions.
E2372: Internal error in module "win": Font (1) has not been initialized.
To resolve this error, please follow these steps:
- Open MET/CAL Run Time.
- Click on Configure > Default Font.
- Change to a different font, click OK.
- Click on Configure > Default Font.
- Change to your original font (or the default: Courier New), click OK.
Default Font is typically the only one affected. Repeat steps 2-5 for the Display Font and Picture Font, if necessary.