: If you get a "d3dx9_xx.dll not found" error, you need to install the DirectX End-User Runtimes (June 2010) . 4. Safety Reminder
: Right-click the installer and select Run as Administrator to ensure it has the permissions to write files to your Program Files directory. 2. Essential Fixes for Modern PCs Driver.Parallel.Lines.GOG.rar
: Ensure the GOG version is authentic. GOG games are DRM-free, meaning they should not require a "crack" or "keygen" to run. : If you get a "d3dx9_xx
: The game doesn't natively support modern 16:9 or 21:9 resolutions well. Download the ThirteenAG Widescreen Fix from GitHub. Simply drop the files into the game's main folder to fix the aspect ratio and HUD. : The game doesn't natively support modern 16:9
The GOG version is generally more stable than the original retail release, but you may still encounter issues with wide-screen resolutions or high frame rates.
: If your Xbox or PlayStation controller isn't recognized, use the Widescreen Fix mentioned above, as it includes an XInput wrapper.
: If the game fails to launch, right-click the game executable ( DriverParallelLines.exe ), go to Properties > Compatibility , and set it to Windows XP (Service Pack 3) .