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Recent Comments
- André on Windows: Mysterious folder C:\Virus; Trend Micro involved?
- 45 RPM on Windows 11 24H2/Windows Server 2025: VM hangs after July 2025 update; fix with OOB update KB5064489
- Lutti on Windows 11 24H2/Server 2025 with huge Hyper-V bug?
- guenni on Microsoft Phishing with MS 365 tenants?
- Dave Fry on Microsoft Phishing with MS 365 tenants?
Tag Archives: 0x800421F7
Edge 90.0.818.39 drops update error 0x800421F7
[German]As of April 15, 2021, Microsoft has released the Edge browser version 90.0.818.39. However, there is feedback from blog readers that error 0x800421F7 was reported during the update installation. Here is some information on the issue. Advertising