Patches are available for the base game and Black Knight.
To resolve this issue, use the following methods, as necessary, in the order presented.
Method 1: Install Microsoft Libraries Update from here.
If this does not resolve the issue, reinstall DirectX.
To resolve this issue, restart your computer with a diagnostic startup (Safe Mode), or disable the default Windows XP service. To do this, follow these steps:
Note that you may be able to set options that your video card does not support. If you experience game difficulties after you change your resolution on the Options screen, use Autoconfig.exe to reset your screen resolution:
C:\Program Files\Microsoft Games\Mechwarrior Mercenaries
C:\Program Files\Microsoft Games\Mechwarrior Vengenance
If you change the screen resolution while you are running MechWarrior 4: Mercenaries Setup, the installation screen is not fully visible. To avoid this problem, do not change the screen resolution while Setup installs the game.
If your computer is running Microsoft Windows 98 or Microsoft Windows Millennium Edition and the computer defaults to 640 x 480 screen resolution, change your resolution in the game to 800 x 600 to be able to read fonts properly.
By default, the text fonts in the HUD are set to be large and legible, but this setting can cause them to bleed past the margins in some screen resolutions. To make your font size smaller, in the folder where the MechWarrior 4: Mercenaries is installed double-click Autoconfig_Mercs.exe, click Advanced, click HUD Font Size, and then select a smaller size from the list.
When 32-bit color is enabled for this card, graphic instability might occur in the game. To fix this problem, download and install the latest drivers from the AMD Web site.
If your system uses either of these video adapters, runs Windows Millennium Edition, and has game screen resolution set to 640 x 480 or 1600 x 1200, the system may stop responding when you start to play the MechWarrier 4: Mercenaries. This problem occurs with both the retail and latest drivers.
To fix this problem, use Autoconfig.exe to reset your screen resolution:
1. In the folder where the game is installed, double-click Autoconfig.exe.
By default, this is:
2. Click Advanced, and then select a screen resolution other than 640 x 480 or 1600 x 1200.
If your system uses this video adapter, slight texture corruption might occur in the game. To fix this problem, download and install the latest drivers from the AMD Web site.
If your system uses this video adapter, some graphics irregularities might occur in the game. To fix this problem, download and install the “Special Released” drivers from AMD
If your system uses this video adapter, texture corruption might occur in the game. To fix this problem, download and install the latest drivers from AMD.
When you attempt to launch certain missions while in 1600 x 1200 x 32 resolution, your computer might restart. If you have this problem, turn off 1600 x 1200 x 32 resolution bit depth.
If you run MechWarrior 4: Black Knight on a system with a GeForce or TNT video adapter and an ASUS motherboard, the game may periodically stop responding or quit. If you have this problem, contact your manufacturer for driver updates.
If your system experiences instability when you run MechWarrior 4, and you are using the AMD Athlon or Duron processors, download and install the latest AMD processor utilities from the AMD Web site.
NOTE: More information on specific video adapter issues is available in the Readme.rtf file in the installation folder. For MechWarrior 4: Mercenaries the default location is
The third-party products that are discussed in this article are manufactured by companies that are independent of Microsoft. Microsoft makes no warranty, implied or otherwise, regarding the performance or reliability of these products.
The changes that you make in the MechWarrior Autoconfig utility, affect the game when you start it.
To resolve this issue, follow these steps:
in case if you just get the issue with "Dialog_500X450.tga" the fastest solution would
be simply to create this missing file. for that you can even use paint and any type of texture
just ensure that the bitmap matches 500x450 pixel and save it as exactly "Dialog_500X450.tga" under
the expected destination.
To clean boot your computer, use the appropriate method for your version of Windows:
drive:\Program Files\Microsoft Games\MechWarrior 4
To resolve this issue, run the Autoconfig configuration utility before you start the game:
drive:\program files\microsoft games\mechwarrior vengeance\autoconfig.exe
Install the latest drivers for your graphics card.
Sometimes the game requires 2–3 minutes to set up and load correctly but if this time is exceeded then you can try the following.
To manually add GOS switches to the command line in the game shortcut, follow these steps:
For example, to add the GOS switch to, type:
"drive:\Program Files\Microsoft Games\MechWarrior Mercenaries\MW4.exe" /gosnovideo
"drive:\Program Files\Microsoft Games\MechWarrior Mercenaries\MW4.exe" /gosnosound
8. Click Apply then OK.
If the /gosNoSound switch resolved the issue, then the issue will lie with the Sound card Driver or the Sound Hardware Acceleration or a codec driver.
If the /gosNoVideo switch resolved the issue, then the issue will lie with the Video card Driver or a codec driver.