@BIGNEWYThanks for the reply
E: Drive is a Samsung 860 EVO SSD 1TB, it has 179GB free. Its my fastest drive and DCS lives on it. Windows 11 OS is on a different drive which is a Crucial CT125 SSD 254GB it has only 9.34GB free.
I'll try all of your other suggestions when I have come off shift.
@FlappieThanks for your suggestion.
I'll uninstall my Nvidia driver using DDU, reboot and do a fresh install.
Guys, I'll be in touch with the results, again thank you for your time looking into this, its much appreciated.