|KB no longer maintained - Didger is a Legacy Product. Legacy Products are still supported, but no longer receive new features or updates. The majority of Didger's features have been moved to Surfer. Please contact firstname.lastname@example.org with any questions.|
If you mean you do not have the GSI Default Symbols font installed on the computer, or any of the other GSI symbol sets (e.g. GSI Map Symbols, GSI North Arrows, etc), then you can reinstall the fonts. To reinstall the fonts, please see this KB article: Where did my Didger fonts go?
Updated October 3, 2016