Avoid installing into C:\Program Files (x86) . Many users report that the loader specifically looks for the Program Files directory to function correctly on 64-bit systems.
WinOLS 2.24 is a legacy version of the popular ECU tuning software that many hobbyists continue to use on Windows 10 for its stability and lightweight nature. While modern versions like WinOLS 5 are officially designed for Windows 10 and 11, version 2.24 can be successfully run on Windows 10 x64 with a few compatibility adjustments. Key Features of WinOLS 2.24 Winols 2.24 Windows 10
: Ensure the following files are located directly in C:\Program Files\EVC : EVC_key.dll EVClicenceMOD.dll loader_ols_32_XP_free.exe (the "loader") Avoid installing into C:\Program Files (x86)