windows 11
Windows 11 KB5083631 update released with 34 changes and fixes
Microsoft has released the KB5083631 optional cumulative update for Windows 11, which includes 34 changes, such as a new Xbox mode for Windows PCs, enhanced security and performance for batch files, and performance improvements for launching startup apps. KB5083631 is a preview update that lets admins test Windows bug fixes, improvements, and new features, before they’re generally available […]
April KB5083769 Windows 11 update causes backup software failures
The April 2026 KB5083769 security update breaks third-party backup applications from multiple vendors on systems running Windows 11 24H2 and 25H2. According to user reports, first spotted by Microsoft MVP Susan Bradley, this issue affects software using VSS (Volume Shadow Copy Service) snapshots and causes failures due to a VSS service timeout. Microsoft VSS was introduced in Windows […]
Microsoft: New Remote Desktop warnings may display incorrectly
Microsoft has confirmed a new issue causing newly introduced Windows security warnings to display incorrectly when opening Remote Desktop (.rdp) files. This known issue impacts all supported Windows versions, including Windows 11 (KB5083768 & KB5083769), Windows 10 (KB5082200), and Windows Server (KB5082063). As Microsoft explains in updates to the original advisories, “the security warning that appears […]
Microsoft rolls out revamped Windows Insider Program
Microsoft says it’s rolling out a revamped Windows Insider Program experience as part of the broader plans to address reliability concerns in Windows 11. For those unaware, the Windows Insider Program is a beta testing program that allows you to test early Windows releases and provide your feedback to Microsoft. Until now, Microsoft has not […]
Windows Update gets new controls to reduce forced restarts
Microsoft is rolling out Windows Update improvements that give users more control over how updates are installed while reducing disruption from frequent or poorly timed restarts. The company says the improvements are now rolling out to Windows Insiders, following user feedback that highlighted two key issues: updates are disrupting workflows, and there is a lack of […]
Microsoft now lets admins uninstall Copilot on enterprise devices
Microsoft says IT administrators can now uninstall the AI-powered Copilot digital assistant from enterprise devices using a new policy setting, which has become broadly available after the April 2026 Patch Tuesday. RemoveMicrosoftCopilotApp is available as a Policy CSP and Group Policy after deploying this month’s Windows security updates on endpoints managed via Microsoft Intune or System Center […]
Microsoft tests Windows Explorer speed, performance improvements
Microsoft is rolling out multiple File Explorer changes to Windows 11 users in the Insider program, including improvements to launch speed and performance. While Microsoft didn’t share how the speed and performance improvements are being implemented, it was testing a new feature in November that preloaded File Explorer in the background to improve launch times and performance. […]
Recently leaked Windows zero-days now exploited in attacks
Threat actors are exploiting three recently disclosed Windows security vulnerabilities in attacks aimed at gaining SYSTEM or elevated administrator permissions. Since the start of the month, a security researcher known as “Chaotic Eclipse” or “Nightmare-Eclipse” has published proof-of-concept exploit code for all three security issues in protest to how Microsoft’s Security Response Center (MSRC) handled […]
New Microsoft Defender “RedSun” zero-day PoC grants SYSTEM privileges
A researcher known as “Chaotic Eclipse” has published a proof-of-concept exploit for a second Microsoft Defender zero-day, dubbed “RedSun,” in the past two weeks, protesting how the company works with cybersecurity researchers. This exploit is for a local privilege escalation (LPE) flaw that grants SYSTEM privileges in Windows 10, Windows 11, and Windows Server on […]
Microsoft: April updates trigger BitLocker key prompts on some servers
Microsoft confirmed on Tuesday that some Windows Server 2025 devices will boot into BitLocker recovery after installing the April 2026 KB5082063 Windows security update. BitLocker is a Windows security feature that encrypts storage drives to prevent data theft. Windows computers typically enter BitLocker recovery mode after hardware changes or events such as TPM (Trusted Platform […]