Right-click TeknoParrotUi.exe (and the game's executable if known). Select > Compatibility . Check Disable fullscreen optimizations and click Apply . Secondary Troubleshooting
If the error specifically mentions a missing file like XInput1_4.dll , you can often resolve it by copying XInput1_3.dll from your C:\Windows\System32 folder, renaming the copy to XInput1_4.dll , and placing it back into the System32 folder or the game's executable directory. teknoparrot failed to load dll error 4 fixed