This is useful to fix MCZ installation issues.
Using Windows, create a new directory. If you do not know how to do that click here:
Once you have your new directory, you will have to set it as your default. To do that:
1) Make certain that MET/CAL Editor is closed.
1) Launch MET/CAL Runtime.
2) Click File>Change Default Directory (or CTRL+D)
3) Browse to your new directory and click "Open"
Follow this link to try installing the MCZ file again: