few things you may try : -1.Remove the mods one by one and check if the game launches. .2. Download and Reinstall CC+ Packages from https://docs.microsoft.com/en-us/cpp/windows/latest-supported-vc-redist?view=msvc-170 - (from 2010 to 2022 remember to download and install the correct version x64 or x32 Bit depending on your system) install them and restart your computer. 3. Rightclick kotor 2 exe and change the compability mode to Windows XP Service Pack 3 and also toggle the 'Run as Administrator'. 4. Update your GPU driver. 5. Run the Steam checkfiles & Repair function.