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How to create a new empty default MET/CAL directory

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:


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