If you typed nt5src7z hot into Google looking for a driver or codec, double-check your spelling. You might actually need a or a Visual C++ Redistributable .
The "hot" descriptor is both a warning and a clue: your system is working, but inefficiently. By verifying the file location, setting affinity and priority, and cleaning temp files, you can cool down your PC without breaking your workflow. nt5src7z hot