CybersecurityMicrosoftWindows UpdateDell PCsData Loss
Windows KB5121767 OOB update fixes shutdowns on some Dell PCs
July 19, 2026
Back to all postsA new Out-of-Band (OOB) update, KB5121767, has been released by Microsoft to address a critical issue affecting certain Dell computers running Windows 10 version 20H2 or Windows Server version 2004. The issue, discovered earlier in March, was causing these devices to shut down unexpectedly after installing the latest monthly updates. This problem could result in data loss and business disruptions for Canadian SMBs that rely on these machines. To mitigate this issue, it's recommended that affected businesses apply KB5121767 as soon as possible. It is essential for IT managers to monitor their systems for any unexpected shutdowns or reboots and verify the installation of KB5121767 to ensure their Dell PCs are not impacted.
Source: BleepingComputer
CybersecurityMicrosoftWindows UpdateDell PCsData Loss
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