Windows cannot start because the following file is missing or corrupt: vgaoem.fon (EN)

Few days ago my Windows XP Professional failed to start due to a power blackout and showed the following error:

Windows failed to start because the following file is missing or corrupt:
C:\WINDOWS\SYSTEM\vgaoem.fon

If for some reason this happens to you too, don't panic, the solution is very simple. Just make sure you have a Windows XP installation cd and follow these simple steps:

Setup your computer to boot from cd (do this from BIOS or press F12 or F11 to change the boot sequence; might be a good idea to check your motherboard manual first to see how to change the boot order). Insert your Windows XP installation cd and restart computer.
 
When the "Press any key to boot from cd..." appears, press any key to start computer from installation cd.

After the Welcome screen appears, press R to start Recovery console.

Choose the operating system and press enter. Type in the administrator password and hit enter or just hit enter if you don't have a password.

Type map and hit enter to see which letter is assigned to the cdrom device containing the installation CD.
Type the following command to copy and expand vgaoem.fon file (replace E : with the corresponding letter of your cd-rom drive. Do the same with C, replacing it with the corresponding letter of the partition where Windows is installed), then press enter):

expand E:\i386\vgaoem.fo_ C:\windows\system

Notice the underscore after "o" in "vgaoem.fo_".

A message confirming the operation will be displayed.

Type exit to reboot computer and remove the Windows installation cd. Now your Windows Xp should be fixed and start normally.

See here an official Micorosft guide for this: http://support.microsoft.com/?kbid=315338