Error with Toad 5.1.3.179

We've been seeing similar issues lately (different error messages), seemingly due to something in the latest Win10 update when desktops get updated. If your (Win10) desktop was recently updated with a new OS build, then this knowledge base article may help:

https://support.quest.com/toad-data-point/kb/323576/get-input-string-was-not-in-a-correct-format-couldn-t-store-in-columnorder-column-opening-saved-query