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IvanAnsel's avatar
IvanAnsel
Copper Contributor
Mar 04, 2026

Update Windows 11 Insider Preview Feature Update (26220.7934)

Windows 11 Insider Preview Feature Update (26220.7934)  Install error - 0xc1900101  
Harolder's avatar
Harolder
Brass Contributor
Mar 05, 2026

Temporarily disconnect all unnecessary peripherals (USB drives, printers, external storage). Then attempt the update again, as some peripherals can interfere.