The file belongs to Windows XP (Home/Professional) Thai language version. No official Microsoft download link exists for this single file.
: This specific file is often linked to the "MS Shell Dlg" font mapping, which Windows uses as a placeholder to substitute the correct localized font for the system's current language settings. MSDLG874.FON Windows Xp Free 101
Then exit and reboot.
If you're having issues with MSDLG874.FON , here are some steps: The file belongs to Windows XP (Home/Professional) Thai