Update Math objects

When a Math formula in a text document has been created (or edited) in one operating system and opened in another, square root sign can be incorrectly drawn: the horizontal line does not touch the inclined line:
image description
And it is exported to a PDF file as such.

When I open the formula (double clicking on it) and close, the formula is updated:
image description. What is the easiest way to automatically update all formulas in a document?

Have both computers the same version of font file for OpenSymbol? There should be no gap in the square root. Your second image has still a small gap.

I use macros for such things. I have put the macro into a text document ContainsMakros.odt , because zip, oxt or bas are not allowed here.