From Mod Wiki

Contents 1 Install Microsoft Application Compatibility Toolkit 2 Setting up fix 3 Installing fix 4 Running the rest of SDK editors

Install Microsoft Application Compatibility Toolkit

Install this toolkit from Microsoft: ApplicationCompatibilityToolkitSetup.exe

Setting up fix

Run ACT from Start Menu.

Create new database by clicking on New. Right-click on new database and select Create New -> Application Fix...

Enter application name - Level Editor -  then select path to it. Click

Select Windows XP (SP2) from selection of OS modes. Click Next.

Scroll all the way to the bottom and select XPFileDialog. Then let the wizard finish.

Installing fix

Make sure that the new fix is selected. Then click File -> Install.

Run LevelEditor normally (shortcut, LevelEditor.bat) and Save/Load dialog should work.

Running the rest of SDK editors

The same thing should also work on ActorEditor, ParticleEditor and ShaderEditor,