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- guenni on Windows 11 24H2: Explorer bug opens menu "upwards" – Workaround
- David Dale on Windows 11 24H2: Explorer bug opens menu "upwards" – Workaround
- J. Fichtner on Windows 11 24H2: Preview Update KB5046740 (November 21, 2024)
- Mika on Excel 2016 can no longer load add-ins after Nov. 2024 update KB5002653
- Angry Man on Windows 11 24H2: Activation lost?
Recent Comments
- guenni on Windows 11 24H2: Explorer bug opens menu "upwards" – Workaround
- David Dale on Windows 11 24H2: Explorer bug opens menu "upwards" – Workaround
- J. Fichtner on Windows 11 24H2: Preview Update KB5046740 (November 21, 2024)
- Mika on Excel 2016 can no longer load add-ins after Nov. 2024 update KB5002653
- Angry Man on Windows 11 24H2: Activation lost?
Tag Archives: error 0xC1900101 – 0x20004
Windows 10: Upgrade error 0xC1900101 – 0x20004
Some users are receiving error 0xC1900101 – 0x20004 during upgrade from Windows 7/8.1 to Windows 10 (GA). Here are a few tips and workarounds to overcome this error. Advertising