Sun, 07 Jun 2026 Berlin 00:02 DE / UKR / EN

After Microsoft Patch Tuesday: Update Errors and Constant Reboots on Windows Server

Following the latest Microsoft Patch Tuesday, users are reporting serious problems with Windows updates, including unexpected server reboots and login issues.

After Microsoft Patch Tuesday: Update Errors and Constant Reboots on Windows Server
Photo: golem.de

As Golem exclusively reports, the current Windows updates after Microsoft Patch Tuesday are causing significant disruptions, especially on Windows Servers. Users are reporting constant, unexpected reboots that are impacting operations. Additionally, login problems are occurring, making access to systems difficult.

According to heise online, these unexpected server reboots and login issues are widespread and affect various versions of Windows Server. According to Hardwareluxx, the April Patch Tuesday for Windows can cause BitLocker to lock users out of the system, leading to significant access restrictions.

t3n reports that Windows users are being suddenly locked out after the update, indicating compatibility issues or bugs in the security patches. T-Online points out that Microsoft is closing 247 security vulnerabilities with the Windows update for April and urges users to take action to protect their systems.

The problems are particularly evident in enterprise environments, where server stability is critical. Users are advised to carefully monitor their systems and take appropriate measures if errors occur. Microsoft has not yet issued an official statement on the reported incidents, but experts advise caution when installing the updates.

The situation highlights the challenges in deploying security patches, which can have unforeseen side effects despite extensive testing. Affected administrators should review backup strategies and, if necessary, resort to alternative security measures until stable updates are available.

The reported cases suggest a system-wide issue that may require further investigation to identify the causes and optimize future Patch Tuesdays.