Always extract or install original Windows system fonts from official sources (Microsoft, original Windows installation media, or Microsoft Update Catalog). Never download system fonts from third-party font repositories.
If Tahoma is there but the error persists, the link between the two might be broken. This is typically fixed in the Windows Registry Download Ms Shell Dlg 2 Font
It is not possible to download because it is not a physical font file . Instead, it is a "logical font" or a system mapping used by Windows to automatically substitute a real font that supports your computer's specific language and locale. The Story of the "Ghost" Font Always extract or install original Windows system fonts
reg add "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\FontSubstitutes" /v "MS Shell Dlg 2" /t REG_SZ /d "Tahoma" /f original Windows installation media