A boot time defrag and optimization with Puran after a CCleaner registry cleanup reduced my boot time to a third of what it was right after the upgrade process. After the upgrade, my disk was heavily fragmented and the registry was in 27 pieces. It is also mandatory to do a thorough defrag with a good third party tool like Puran or even the painfully slow optimization with the built in Windows defrag tool. The amount of invalid entries is staggering and definitely will cause a slower boot time. I think doing a registry cleanup is mandatory after doing the Win 10 upgrade from a previous OS. The function in CCleaner is perfectly safe to the point where I never even back up the changes made and have never had any problems. I also run the Auslogics Registry Cleaner which is much more thorough about once a month.

I always run the registry cleaning part of CCleaner after uninstalling something.

Webcam: Logitech BRIO ULTRA HD PRO WEBCAM 4K webcam with HDR Sound system: SHARP HT-SBW460 Dolby Atmos Soundbar Hard Drives: C: Samsung 960 EVO NVMe M.2 SSDĮ: & O: Libraries & OneDrive-> Samsung 850 EVO 1TBĭ: Hyper-V VM's -> Samsung PM951 Client M.2 512Gb SSDĪntivirus: Windows Defender of course & Malwarebytes Anti-Exploit as an added layer between browser & OS PSU: Corsair HX1000i High Performance ATX Power Supply 80+ PlatinumĬooling: Thermaltake Floe Riing RGB TT Premium-Edition 360mm and 2x120 Phantek& Halo front, and 1x140 Phante Monitor(s) Displays: BenQ BL2711U(4K) and a hp 27vx(1080p) Sound Card: (1) HD Webcam C270 (2) NVIDIA High Definition Audio (3) Realtek High Definition Audio Graphics Card: ASUS GeForce RTX 3090 ROG Strix O24G, 24576 MB GDDR6X Memory: 32 GB Quad Kit, G.Skill Trident Z RGB Series schwarz, DDR4-3866, 18-19-19-39-2T OS: Win11 Pro, Win10 Pro N, Win10 Home, Windows 8.1 Pro, Ubuntu

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Registry clean up windows 10