Installation Error - 0xc19001 101 when trying to update to Windows 11, version 25H2 from version 24H2


flyfishbum

flyfishbum

New member
Local time
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1
OS
Windows 11
I receive Installation Error - 0xc19001 101 when trying to update to Windows 11, version 25H2 from version 24H2. Have uninstalled third-party antivirus and firewall, disconnected all non-essential hardware and tried again, no luck?
 

My Computer

System One

  • OS
    Windows 11
    Computer type
    PC/Desktop
    Manufacturer/Model
    Dell
Hello @flyfishbum and welcome to ElevenForum.

Go here and scroll down and download and use the "Enablement Package".
Takes 3 seconds and a reboot.

www.elevenforum.com

Get ready for Windows 11 version 25H2 - Enablement Package and ISO downloads available

UPDATE 9/30: https://www.elevenforum.com/t/windows-11-version-25h2-now-available.40396/ Windows IT Pro Blog: How easy is it to move to Windows 11, version 25H2? As easy as a quick restart if you're on version 24H2! Today, Windows 11, version 25H2 became available to the Windows Insider...
www.elevenforum.com www.elevenforum.com





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My Computers

System One System Two

  • OS
    Win 11 Home ♦♦♦26200.8655 ♦♦♦♦♦♦♦25H2
    Computer type
    PC/Desktop
    Manufacturer/Model
    Built by Ghot® [May 2020]
    CPU
    AMD Ryzen 7 3700X
    Motherboard
    Asus Pro WS X570-ACE (BIOS 5302)
    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 Total 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
    Keyboard
    Logitech Classic Keybooard 200
    Mouse
    Logitech Optical M-BT96a
    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?
Welcome to the forum. Please complete the system specifications section of your forum profile so we can know what hardware you are dealing with.

An upgrade error that begins with 0xC1900101 is usually a driver error.
You would need to look at the failure logs to see the exact cause of your failure. Depending on where in the upgrade the failure occurs, the log can be in multiple places.

If no error message occurs, the following log files are created when an upgrade fails during installation before the computer restarts for the second time. You have to look at these logs to get an idea of what's causing the failure.
C:\$Windows.~BT\Sources\panther\setupact.log
C:\$Windows.~BT\Sources\panther\miglog.xml
C:\Windows\setupapi.log

The following log files are created when an upgrade fails, and then you restore the desktop:
C:\$Windows.~BT\Sources\panther\setupact.log
C:\$Windows.~BT\Sources\panther\miglog.xml
C:\$Windows.~BT\sources\panther\setupapi\setupapi.dev.log
C:\$Windows.~BT\sources\panther\setupapi\setupapi.app.log
C:\Windows\memory.dmp

The following log files are created when an upgrade fails, and the installation rollback is initiated:
C:\$Windows.~BT\Sources\Rollback\setupact.log
C:\$Windows.~BT\Sources\Rollback\setupact.err

If you are unable to read the logfiles, copy them to a folder, zip the folder, upload the zipped folder to any cloud provider and post a SHARE link here to the zipped folder.

If logfiles do not direct you to what caused the error, I advise anyone to not waste his time. Either stay where you are or Bite the bullet, back up your data, and do a clean install. 25h2 can have you chasing your tail for days.

 

My Computers

System One System Two

  • OS
    Windows 11 Pro 25H2 26200.8655
    Computer type
    PC/Desktop
    Manufacturer/Model
    Dell Optiplex 7080
    CPU
    i9-10900 10 core 20 threads
    Motherboard
    DELL 0J37VM
    Memory
    32 gb
    Graphics Card(s)
    none-Intel UHD Graphics 630
    Sound Card
    Integrated Realtek
    Monitor(s) Displays
    Benq 27
    Screen Resolution
    2560x1440
    Hard Drives
    2x1tb Solidigm m.2 nvme /External drives 512gb Samsung m.2 sata+2tb Kingston m2.nvme
    PSU
    500w
    Case
    MT
    Cooling
    Dell Premium
    Keyboard
    Logitech wired
    Mouse
    Logitech wireless
    Internet Speed
    so slow I'm too embarrassed to tell
    Browser
    #1 Edge #2 Firefox
    Antivirus
    Defender+MWB Premium
  • Operating System
    Windows 11 Pro 24H2 26200.8457
    Computer type
    PC/Desktop
    Manufacturer/Model
    Beelink Mini PC SER5
    CPU
    AMD Ryzen 7 6800U
    Memory
    32 gb
    Graphics card(s)
    integrated
    Sound Card
    integrated
    Monitor(s) Displays
    Benq 27
    Screen Resolution
    2560x1440
    Hard Drives
    1TB Crucial nvme
    Keyboard
    Logitech wired
    Mouse
    Logitech wireless
    Internet Speed
    still too embarrassed to tell
    Browser
    Firefox
    Antivirus
    Defender
    Other Info
    System 3 is non compliant Dell 9020 i7-4770/24gb ram Win11 PRO 26200.8457

My Computer

System One

  • OS
    Windows 11 Pro 25H2
    Computer type
    PC/Desktop
    Manufacturer/Model
    Intel NUC12WSHi7
    CPU
    12th Gen Core i7-1260P
    Motherboard
    NUC12WSBi7
    Memory
    64 GB Micron PC4-25600
    Graphics Card(s)
    Intel Iris Xe Graphics
    Sound Card
    on-board Realtek HD Audio
    Monitor(s) Displays
    Dell U3219Q
    Screen Resolution
    3840 x 2160
    Hard Drives
    Samsung SSD 990 PRO 1TB
    Crucial MX500 2 TB
    Antivirus
    Microsoft Defender
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