0. Install Heavy Gear 2.
1. Install the Application Compatibility toolkit (http://www.microsoft.com/en-us/download/details.aspx?id=7352)
2. Open the 32-bit Compatibility Administrator app that comes with the toolkit.
3. On the left pane, under Custom Databases, click on New Database 1.
4. On the taskbar at the top, click on Database > Create New > Application Fix.
5. Enter the name of your fix, the vendor, and under Program File Location browse to your Heavy Gear 2.exe. Click Next.
6. Click Next again. We don't want to install any existing compatibility modes.
7. Now, under Compatibility Fixes, scroll down and tick the box next to DirectXTrimTextureFormats.
8. You can do a Test Run to make sure it works or just click Next.
9. Click Finish.
10. Now right-click New Database 1 on the left and click Install.
11. You should see a confirmation message and you can close the Compatibility Administrator.