Reports from Windows 11 users highlight unexpected actions after applying recent patches. When setting up the elective April 2026 patch, their computers reboot repeatedly rather than just once, leading many to suspect a malfunction or glitch in the operating system.

Microsoft clarifies through a notification in the Windows Message Center that such repeated restarts are deliberate under specific conditions.

Your computer might reboot multiple times after the elective April 2026 patch if the update involves renewing your system's Secure Boot certificate. This could occur with subsequent patches too, since Microsoft continues to distribute Secure Boot certificate renewals across devices in phases.

Typically, Windows updates demand only one restart. Extra reboots are usually linked to significant feature upgrades or changes to firmware and drivers. In this scenario, Windows 11 could require two or possibly three restarts even for a standard patch.

The majority of Windows machines produced prior to 2024 feature obsolete Secure Boot certificates that must be renewed to maintain the effectiveness of the Secure Boot security mechanism. These legacy certificates are set to expire in June 2026.

Microsoft started deploying refreshed Secure Boot certificates to systems in March, but the process is gradual, so not all users have received them. An update that triggers a certificate renewal might necessitate an extra restart.

In April 2026, Microsoft introduced a helpful status tool to check if your computer's Secure Boot certificates are current. Access it by following these instructions:

Windows uses color-coded symbols to indicate your system's status:

Key note: A green symbol signifies everything is fine only when it confirms that every necessary Secure Boot certificate has been properly applied.

Renewing Secure Boot certificates doesn't always go smoothly on every device. It requires current firmware or an appropriate BIOS patch. For aging hardware, these updates might no longer be offered, potentially causing the renewal to fail.

Should Windows flag an issue in this area, resolution typically falls to the hardware maker. Absent proper firmware backing, Microsoft cannot address the difficulty.

If your Windows 11 machine undergoes several restarts due to a recent or pending update, remain calm. It's most likely the Secure Boot certificate renewal process, and no real fault exists.

That said, once the update and restarts conclude, verify that the certificates installed without issues. This step is essential to guarantee your system boots securely beyond June.

Incidentally, Windows 11 Home users forgo numerous advantages offered by Windows 11 Pro. For details, consult our overview comparing Windows 11 Home and Pro editions. Interested in upgrading? It's available at a discount in the PCWorld Software Store for $59, down from $99.