Type sfc /scannow and press Enter. This will scan and replace any corrupt or missing system files, including fonts, using your Windows XP installation media. :

The Windows System File Checker is an integrated utility designed to automatically scan, verify, and restore broken system files. Click and select Run . Type cmd and press Enter to open the Command Prompt. Type sfc /scannow into the console and press Enter .

MSDLG874.FO_ (note the underscore instead of N). All .FON files are stored as .FO_ in the installation media.

Type the following command to expand the font file: expand msdlg874.fo_ C:\Windows\Fonts\msdlg874.fon Restart your computer. Free Solutions: Downloading MSDLG874.FON

Are you trying to or are you looking to customize the look of a newer version of Windows?

If you receive an error stating that is missing, corrupted, or not a valid system file, you can try these methods to resolve the issue. Method 1: Using System File Checker (SFC)

Type the following command and press Enter: expand D:\i386\MSDLG874.FO_ C:\Windows\Fonts\MSDLG874.FON

Pick a calendar checkpoint created prior to when your application or UI font display errors began.

Changes to the MS Shell Dlg or code page mappings in the Windows Registry can break the pointer path to this font.

Reboot your machine to allow Windows to register the newly placed file. Method B: Restoring via System Restore