Theres a way to get around the problem. But no patch exists to do it easily. You'll have to do it by hand:
you need to edit a registry value (winkey+r, type 'regedit' and press enter):
change:
"HKEY_CURRENT_USER\Software\SSSI\Empire Earth\Wait for VSync"
From 1 to 0.
Also, change
"HKEY_CURRENT_USER\Software\SSSI\Empire Earth\Rasterizer Name"
to:
"Direct3D Hardware TnL" - copy the exact text wihout the "