CCleaner?


MK77P

MK77P

Active member
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Windows 11 Pro
Got two questions about CCleaner.

Can/does this application in any way cuase issues or harm the system? I've heard some say that after they've stopped using it some of their problems "disappeared". Can someone tell me for a fact if CCleaner can cause issues?

If I was to use Disk Cleanup, Temporary Files, "temp" "%temp%" "prefetch" in Run and Optimize Drives (let me know if I'm forgetting anything else) in order to delete unneeded files, clean and optimize my system does using CCleaner offer any extra cleaning and optimization?
 

My Computer

System One

  • OS
    Windows 11 Pro
    Computer type
    PC/Desktop
    Manufacturer/Model
    Custom
    CPU
    Intel Core i5-14600KF
    Motherboard
    MSI PRO Z690-A WIFI DDR4
    Memory
    G.SKILL TridentZ RGB Series 16GB
    Graphics Card(s)
    GIGABYTE 4080 Gaming OC
    Monitor(s) Displays
    ASUS VZ249 23.8 inch Full HD
    Screen Resolution
    1920 x 1080
    Hard Drives
    SAMSUNG 860 EVO 500GB, Kingston KC600 1TB
    PSU
    Lian Li Edge EG0850G 850W Gold
    Cooling
    ARCTIC Liquid Freezer III 360
    Keyboard
    Logitech G513 Carbon LIGHTSYNC RGB Mechanical
    Mouse
    Steelseries Prime
    Browser
    Firefox
MK77P said:
Got two questions about CCleaner.

Can/does this application in any way cuase issues or harm the system? I've heard some say that after they've stopped using it some of their problems "disappeared". Can someone tell me for a fact if CCleaner can cause issues?

If I was to use Disk Cleanup, Temporary Files, "temp" "%temp%" "prefetch" in Run and Optimize Drives (let me know if I'm forgetting anything else) in order to delete unneeded files, clean and optimize my system does using CCleaner offer any extra cleaning and optimization?
Click to expand...



Any program CAN cause problems if misused or misunderstood.
I use CCleaner, and have had no issues...

My CCleaner Tweaks...

I use CCleaner 5.78 I installed it offline, and I blocked it and it's updaters in MY firewall. And... since it was purchased by Avast, I also "added" these lines to my HOSTS file (which "blocks" them)... C:\Windows\System32\drivers\etc\HOSTS...
www.elevenforum.com www.elevenforum.com
 

My Computers

System One System Two

  • OS
    Win 11 Home ♦♦♦26100.3775 ♦♦♦♦♦♦♦24H2 ♦♦♦non-Insider
    Computer type
    PC/Desktop
    Manufacturer/Model
    Built by Ghot® [May 2020]
    CPU
    AMD Ryzen 7 3700X
    Motherboard
    Asus Pro WS X570-ACE (BIOS 5002)
    Memory
    G.Skill (F4-3200C14D-16GTZKW)
    Graphics Card(s)
    EVGA RTX 2070 (08G-P4-2171-KR)
    Sound Card
    Realtek ALC1220P / ALC S1220A
    Monitor(s) Displays
    Dell U3011 30"
    Screen Resolution
    2560 x 1600
    Hard Drives
    2x Samsung 860 EVO 500GB,
    WD 4TB Black FZBX - SATA III,
    WD 8TB Black FZBX - SATA III,
    DRW-24B1ST CD/DVD Burner
    PSU
    PC Power & Cooling 750W Quad EPS12V
    Case
    Cooler Master ATCS 840 Tower
    Cooling
    CM Hyper 212 EVO (push/pull)
    Keyboard
    Ducky DK9008 Shine II Blue LED
    Mouse
    Logitech Optical M-100
    Internet Speed
    300/300
    Browser
    Firefox (latest)
    Antivirus
    Bitdefender Internet Security
    Other Info
    Speakers: Klipsch Pro Media 2.1
  • Operating System
    Windows XP Pro 32bit w/SP3
    Computer type
    PC/Desktop
    Manufacturer/Model
    Built by Ghot® (not in use)
    CPU
    AMD Athlon 64 X2 5000+ (OC'd @ 3.2Ghz)
    Motherboard
    ASUS M2N32-SLI Deluxe Wireless Edition
    Memory
    TWIN2X2048-6400C4DHX (2 x 1GB, DDR2 800)
    Graphics card(s)
    EVGA 256-P2-N758-TR GeForce 8600GT SSC
    Sound Card
    Onboard
    Monitor(s) Displays
    ViewSonic G90FB Black 19" Professional (CRT)
    Screen Resolution
    up to 2048 x 1536
    Hard Drives
    WD 36GB 10,000rpm Raptor SATA
    Seagate 80GB 7200rpm SATA
    Lite-On LTR-52246S CD/RW
    Lite-On LH-18A1P CD/DVD Burner
    PSU
    PC Power & Cooling Silencer 750 Quad EPS12V
    Case
    Generic Beige case, 80mm fans
    Cooling
    ZALMAN 9500A 92mm CPU Cooler
    Mouse
    Logitech Optical M-BT96a
    Keyboard
    Logitech Classic Keybooard 200
    Internet Speed
    300/300
    Browser
    Firefox 3.x ??
    Antivirus
    Symantec (Norton)
    Other Info
    Still assembled, still runs. Haven't turned it on for 15 years?

My Computers

System One System Two

  • OS
    Windows 11 Pro x64 24H2 v26100.3037
    Computer type
    PC/Desktop
    Manufacturer/Model
    Built Myself in 2017
    CPU
    AMD Ryzen 1800X 8-Core @ 3.60GHz
    Motherboard
    Asus Crosshair VI Hero
    Memory
    16GB G.Skill Trident Z RGB Series
    Graphics Card(s)
    EVGA GeForce gtx 1660 Super
    Sound Card
    On Board
    Monitor(s) Displays
    2 X AOC 27" , PLANAR 22"
    Screen Resolution
    1920 X 1080
    Hard Drives
    ~~~~~~~~~~~~~~~~~~~~~~~~~~
    ~ P34A60 512GB NVMe PCIe Gen3x4 M.2
    ~ 6TB Toshiba HDD
    ~ 6TB HDD (Backup)
    ~ SanDisk 250GB SSD
    ~ 2 X 1TB HDD
    ~~~~~~~~~~
    PSU
    Corsair RM850 Fully Modular (850watts)
    Case
    NZXT Phantom 630 CA-PH630-W1
    Cooling
    CORSAIR iCUE H100i RGB PRO XT
    Keyboard
    Nulea RT05 Wireless Ergonomic
    Mouse
    Nulea MD280 Wireless Vertical Mouse
    Internet Speed
    761Mbps (Download) / 692Mbps (Upload)
    Browser
    Firefox
    Antivirus
    Malwarebytes
    Other Info
    *This is my Main Computer That I use*
  • Operating System
    Windows 11 Pro x64 24H2 v26100.2894
    Computer type
    PC/Desktop
    Manufacturer/Model
    HP
    CPU
    Intel Xeon E3-1246 v3 @ 3.50GHz
    Memory
    16GB
    Graphics card(s)
    AMD Radeon R7 350X
    Sound Card
    onBoard
    Monitor(s) Displays
    eMachine 22"
    Screen Resolution
    1920 X 1080
    Hard Drives
    250GB SSD
    Cooling
    Fan
    Mouse
    Nulea MD280
    Internet Speed
    752Mbps (Download) / 537Mbps (Upload)
    Browser
    Firefox
    Antivirus
    Malwarebytes
    Other Info
    I use this computer for photo/video editing and to track severe weather
MK77P said:
Can/does this application in any way cuase issues or harm the system?
Click to expand...
Cleaning browsers without added exceptions cleans cookies, which forces people to re-login every time.
Cleaning prefetch could cause a slowdown, just like cleaning other caches like DNS and so on.
Then again cleaning those caches can solve or prevent certain issues, so it really varies.

MK77P said:
If I was to use Disk Cleanup, Temporary Files, "temp" "%temp%" "prefetch" in Run and Optimize Drives (let me know if I'm forgetting anything else) in order to delete unneeded files, clean and optimize my system does using CCleaner offer any extra cleaning and optimization?
Click to expand...
Disk Cleanup cleans only Windows and even that carefully (very little), CCleaner cleans other apps, mostly browsers.
You can actually add a deeper cleanup via github.com/MoscaDotTo/Winapp2 , which could cause some issues though.
 

My Computer

System One

  • OS
    Windows 11 Home
    Computer type
    PC/Desktop
    CPU
    AMD Ryzen 5 8600G (07/24)
    Motherboard
    ASROCK B650M-HDV/M.2 3.20 (07/24)
    Memory
    2x32GB Kingston FURY DDR5 5600 MHz CL36 @5200 CL40 (07/24)
    Graphics Card(s)
    ASROCK Radeon RX 6600 Challenger D 8G @48FPS (08/24)
    Sound Card
    Creative Sound BlasterX AE-5 Plus (05/24)
    Monitor(s) Displays
    24" Philips 24M1N3200ZS/00 (05/24)
    Screen Resolution
    1920×1080@165Hz via DP1.4
    Hard Drives
    Kingston KC3000 NVMe 2TB (05/24)
    ADATA XPG GAMMIX S11 Pro 512GB (07/19)
    PSU
    Seasonic Core GM 550 Gold (04/24)
    Case
    Fractal Design Define 7 Mini with 3x Noctua NF-P14s/12@555rpm (04/24)
    Cooling
    Noctua NH-U12S with Noctua NF-P12 (04/24)
    Keyboard
    HP Pavilion Wired Keyboard 300 (07/24) + Rabalux 76017 Parker (01/24)
    Mouse
    Logitech M330 Silent Plus (04/23)
    Internet Speed
    500/100 Mbps via RouterOS (05/21) & TCP Optimizer
    Browser
    Edge & Brave for YouTube & LibreWolf for FB
    Antivirus
    NextDNS blocking 99% TLDs
    Other Info
    Backup: Hasleo Backup Suite (PreOS)
    Headphones: Sennheiser RS170 (09/10)
    Phone: Samsung Galaxy Xcover 7 (02/24)
    Chair: Huzaro Force 4.4 Grey Mesh (05/24)
    Notifier: Xiaomi Mi Band 9 Milanese (10/24)
    2nd Monitor: AOC G2460VQ6 @75Hz (02/19)
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