If you are missing SkyrimLauncher.exe or it isn't working correctly, follow these steps based on where you own the game:
If you are using many mods, most players prefer using the Skyrim Script Extender (SKSE) to launch the game instead, as it bypasses the standard launcher to allow for more complex mod functionality [5]. skachat skairim launcher
Use the "Verify" or "Repair" option within the respective launcher settings to restore the original executable files. If you are missing SkyrimLauncher