The LAN patch lets you play LAN on Command & Conquer: Tiberian Sun and Red Alert 2 (and their expansion packs) in Windows 2000 and later by changing IPX protocol to UDP.
An unofficial patch that provides a slight enhancement to the default launchers provided with the Origin release (fixes registry entries and allows command line arguments to function properly).
It can be downloaded from the developer's site.
For changing resolution open files RA2.ini and RA2md.ini with any text editor and type your resolution there:
Where ScreenHeight and ScreenWidth are your desired resolution.
This occurs when the game engine tries to render in VRAM. To fix this, download Aqrit's ddwrapper and extract the ddraw.dll and aqrit.cfg files into the RA2 folder, where ra2.ini lies. Next, ensure that only these settings are set to "1" in aqrit.cfg:
FakeVsync = 1
NoVideoMemory = 1
Alternatively, simply download and extract the contents of this preconfigured fix into the RA2 folder. Also, consider using the performance fix as well.
This happens sometimes on newer versions of Windows (7, 8, 8.1 and 10). To fix this, download Aqrit's ddwrapper and extract the ddraw.dll and aqrit.cfg files into the RA2 folder, where ra2.ini lies. Next, ensure that only this setting is set to "1" in aqrit.cfg:
ForceDirectDrawEmulation = 1