Microsoft says the August 2026 security update may trigger 0xc0000409 errors on Windows Server 2016 systems where the Compatibility Appraiser diagnostic service is enabled.
Windows Report on MSN
Windows Server 2016 August update can trigger CompatTelRunner crashes
Microsoft confirms the August 2026 update can trigger CompatTelRunner.exe crashes and 0xc0000409 errors on Windows Server ...
Windows Update error 0x80240069 has been occurring recently when installing KB5063878 using enterprise tools like WSUS or SCCM, but it works fine when using Windows ...
Microsoft has confirmed that Windows 11 24H2 feature updates via Windows Server Update Services (WSUS) are being blocked after installing the April 2025 security updates. Introduced as Software Update ...
Following complaints from users about problems with Windows Server Update Services, Microsoft has spoken out. The company has confirmed that WSUS has suffered issues preventing synchronization and ...
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