I can't see the errors you're referring to. Often, there are typos in TAF and METAR briefings which SkyDemon cannot interpret. Additionally there are some things in such bulletins we simply don't even attempt to interpret. Both these cases are illustrated by highlighting the bulletins in the decode window.If you believe there's a common item in TAF/METAR that SkyDemon should be interpreting but isn't, please let us know.
There's no "force refresh" button; SkyDemon goes out looking for the latest data quite often.