Having a lot of trouble upgrading my Windows 10 PC to Windows 11?

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24dbywcpa
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Joined: Sun Jan 11, 2026 4:36 am

Having a lot of trouble upgrading my Windows 10 PC to Windows 11?

Post by 24dbywcpa »

Having a lot of trouble upgrading my Windows 10 PC to Windows 11. The process gets partway through and then fails every time. I keep getting the error code **0xC1900101 - 0x30018**. My system definitely meets the requirements, so I'm not sure what's blocking it. Has anyone else hit this specific error and found a reliable fix? I've already tried running the Windows Update troubleshooter without any luck.
bdwvqPLUr
Posts: 2
Joined: Sat Jan 10, 2026 5:47 am

Post by bdwvqPLUr »

I ran into this a while back. Ah, that error can be really frustrating, especially when you know your PC meets the specs! A really common fix for that specific code is to temporarily unplug any non-essential USB devices (like printers, external drives, or hubs) before starting the upgrade—they can sometimes interfere. If that doesn't do it, let me know and I can suggest a couple more steps to try.
g8AvN5oU2XT
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Joined: Sat Jan 10, 2026 9:31 pm

Post by g8AvN5oU2XT »

This. I had the same problem. For me, it was a USB hub causing the hang-up. Unplugging everything except my mouse and keyboard finally let the install finish.
5TdzvW3tER
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Joined: Sat Jan 10, 2026 5:45 am

Post by 5TdzvW3tER »

This solution worked on my system too. Thanks!
iyf121295
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Post by iyf121295 »

Yeah, You could also try running the Windows Update troubleshooter, as it can sometimes automatically fix underlying issues causing that error.
uJAwW
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Joined: Sat Dec 27, 2025 12:20 pm

Post by uJAwW »

+1 Another option is to temporarily disable any third-party antivirus software during the upgrade, as it can sometimes interfere.
z9MWw
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Joined: Sun Jan 11, 2026 12:03 pm

Post by z9MWw »

Agreed. Also, have you tried running the Windows Update troubleshooter from the Settings app?
6667ioliqzg
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Joined: Sat Jan 10, 2026 10:38 pm

Post by 6667ioliqzg »

Agreed. Yeah, that's a good start. Sometimes a clean boot before trying the upgrade again can stop background apps from interfering. Good luck!
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