Kb4048960 -

As a last resort, the update can be uninstalled via the Command Prompt: wusa /uninstall /kb:4048960 Use code with caution.

For more technical details on the Jet Engine error, you can visit the Microsoft SQL Server Support Blog or review the original Microsoft Security Update Guide. kb4048960

Note: This leaves the system vulnerable to the security flaws the update was intended to fix. As a last resort, the update can be

KB4048960 was the quiet, optional patch that secretly fortified Windows against the biggest CPU architecture flaws in a decade – at the cost of speed, stability, and compatibility. It paved the way for modern side-channel defenses. KB4048960 was the quiet, optional patch that secretly

KB4048960 itself is from Windows Update Catalog (it was removed in 2019 as per Microsoft’s lifecycle policy for preview updates). However, its feature set – KPTI, branch predictor hardening, and Hyper-V isolation – lives on in every modern Windows build as a permanent security baseline.

For more technical details, you can visit the Microsoft Update Catalog to see the specific versions and architectures supported.