Just updated (7 August). Now: Everything (and I mean everything) is going at Tortoise speed Laptop crashed Laptop rebooted - blanked screen Rebooted, wait 5 minutes for task bar population Select icon, wait to open Give up, try another Click on a filename - wait 30 seconds - nothing happens, check Task Manager, wait 1/2 minute for that to open Open Explorer - "Not responding" , go to anything else "Not responding" "Save" - "Not responding" I daren't backup as it would take a week at this rate Can you tell me how to reverse please please please. It was all good until yesterday