Do Multithreaded copies with n threads (default is eight) -> if your program is around it, then you should think about Placing this bigger. The more you can do in parallel, the faster you will be out with the Hazard zone Thanks for sharing difficulty. I've modified your code and https://yevent.org/2026/01/29/id24671-considerations-to-know-about-mass-copy-meaning-in-marathi