Net5system.exe

Since it references ".NET 5," ensure you have the correct .NET Runtime installed on your PC.

If net5system.exe is legitimate but causing high CPU usage or crashing, it is likely due to: net5system.exe

While sounds like a Windows system file, it is rarely a part of the OS itself. If it appears out of nowhere or slows down your PC, treat it as a potential threat until you can verify its source folder and digital signature. Since it references "