If restoring MSDLG874.FON does not resolve the dialog box glitch, the registry may contain corrupt font links.
Also check:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\NLS\CodePage
Ensure 874 (Thai) is mapped to c_874.nls. If not, your language pack is broken.
If you want, I can:
In the pantheon of Windows error messages, few are as cryptic—and frustrating—as the one involving MSDLG874.FON. For users maintaining legacy systems, retro gaming rigs, or industrial machines running Windows XP, this file is a ghost from the past. But when it goes missing, your entire interface can break down into unreadable blocks of code.
MSDLG874.FON is a bitmap font (.FON extension) associated with Microsoft Dialog Language support for Thai (code page 874). It was primarily used in Windows 95, 98, ME, and 2000, but often haunts Windows XP systems due to incompatible software installers or corrupted regional language packs.
The keyword "MSDLG874.FON Windows Xp Free 101" suggests two things:
This article serves as that guide.
You typically encounter a request for MSDLG874.FON when: