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Microsoft solves case of vanishing Windows 11 desktop — fix is rolling out for blank desktop, taskbar freezes and other flakiness
Winsage
May 23, 2026

Microsoft solves case of vanishing Windows 11 desktop — fix is rolling out for blank desktop, taskbar freezes and other flakiness

Windows 11 has been experiencing interface issues, including a freezing taskbar, unresponsive File Explorer, and blank desktops, which Microsoft has categorized as 'general reliability' issues. To address these concerns, Microsoft is rolling out the May update for Windows 11, which began distribution last week. This update aims to enhance the reliability of components like explorer.exe, taskbar menus, and Task View interactions. Users may experience improvements in performance, particularly during sign-in processes and when managing items in File Explorer's Quick Access. The update is also being tested for the upcoming 26H1 version for Arm-based Snapdragon devices. Despite the positive changes, some users remain cautious about potential new glitches.
AI Data Platform Modernization in Financial Services | Microsoft Azure PostgreSQL | The Microsoft Cloud Blog
Tech Optimizer
May 22, 2026

AI Data Platform Modernization in Financial Services | Microsoft Azure PostgreSQL | The Microsoft Cloud Blog

Financial service institutions are increasingly exploring AI applications to alleviate operational burdens and gain a competitive edge, but face challenges with legacy data infrastructures that may not meet modern demands. The need for continuous availability and compliance is critical, as even brief downtime can have catastrophic consequences. Aging databases struggle with high-volume transactions and real-time analytics, prompting a focus on predictive maintenance and infrastructure automation. Microsoft Azure's PostgreSQL managed services, including Azure Database for PostgreSQL, address these challenges by providing flexible performance scaling and ensuring high availability. The service can trigger automatic failover within 60 to 120 seconds during outages, guaranteeing up to a 99.99% availability SLA. It supports read replicas for offloading analytics without impacting primary database performance and offers layered security controls, including encryption at rest and network isolation. Azure Database for PostgreSQL simplifies compliance with standards such as PCI DSS and SOC by enabling centralized identity and access management through Microsoft Entra ID authentication. It integrates seamlessly with the Microsoft ecosystem, allowing organizations to connect data to analytics and AI services without complex ETL processes. BNY Mellon successfully modernized its data platform by migrating to Azure Database for PostgreSQL in nine months, achieving improved resilience and allowing engineering teams to focus on innovation. The platform supports high availability, backup capabilities, and extensibility, empowering financial institutions to remain innovative in the era of AI.
Microsoft Defender Zero-Day Vulnerabilities RedSun and UnDefend Actively Exploited on Windows 10, 11, and Server (April 2026 CVE Analysis)
Winsage
May 21, 2026

Microsoft Defender Zero-Day Vulnerabilities RedSun and UnDefend Actively Exploited on Windows 10, 11, and Server (April 2026 CVE Analysis)

In April 2026, two zero-day vulnerabilities, RedSun and UnDefend, were discovered in Microsoft Defender, affecting Windows 10, Windows 11, and Windows Server platforms. These vulnerabilities allow attackers to escalate privileges to SYSTEM and bypass Defender’s protections. RedSun exploits a flaw in Defender's remediation process, enabling low-privileged users to overwrite critical system files. UnDefend allows attackers to disrupt Defender’s updates, keeping it outdated and ineffective. Both vulnerabilities are actively being exploited, with attackers leveraging them to gain persistent access and deploy ransomware. The primary targets are organizations using Windows systems with Defender enabled, particularly in sectors like finance, healthcare, and government. Mitigation strategies include applying updates for related vulnerabilities, monitoring for suspicious activities, and implementing additional security measures.
007 First Light рискует оказаться на торрентах до официального релиза
TrendTechie
May 21, 2026

007 First Light рискует оказаться на торрентах до официального релиза

The game 007 First Light is set to launch on May 27, but there are concerns about it being leaked onto torrent sites before its release. Players who pre-order the game can start playing 24 hours earlier than the general public, increasing the risk of piracy. Recent trends show an increase in fully functional pirated versions of major games appearing before their official launches, including titles like Pragmata and Death Stranding 2. There is no confirmed information about the use of the anti-piracy system Denuvo on Steam, and even with such protections, hackers have been able to bypass them. Factors contributing to early availability of game builds to hackers include failures in pre-loading systems and actions by reviewers. Even if a game avoids leaks initially, it is likely to be pirated eventually.
Microsoft confirms Windows 11’s May 2026 update is failing to install with error 0x800f0922 and outlines a mitigation for affected PCs
Winsage
May 20, 2026

Microsoft confirms Windows 11’s May 2026 update is failing to install with error 0x800f0922 and outlines a mitigation for affected PCs

Microsoft has acknowledged installation issues with the May 2026 Security Update for Windows 11, specifically error code 0x800f0922, affecting devices on versions 24H2 and 25H2 after installing update (KB5089549) released on May 12. The failures occur during the reboot phase, often around 35 percent, primarily on devices with 10MB or less free space in the EFI System Partition (ESP). For consumer and unmanaged business devices, Microsoft has implemented a Known Issue Rollback (KIR), and restarting the computer may resolve the issue. For managed devices, network administrators must manually deploy a Group Policy workaround. Microsoft suggests modifying a Registry value to decrease reserved padding in the EFI partition as a potential fix, along with restarting the computer and checking for updates. A permanent solution is planned for a future Windows update.
Microsoft confirms patching issues in restricted Windows networks
Winsage
May 19, 2026

Microsoft confirms patching issues in restricted Windows networks

Microsoft has issued a service alert indicating that customers in restricted network environments may encounter Windows Update failures, specifically error code 0x80010002, after installing the January 2026 optional non-security preview updates. Affected devices might download the February monthly Windows security update but could struggle with updates released in March and beyond due to changes in download timeout requirements. Microsoft is working on a resolution, and IT administrators can use Known Issue Rollback (KIR) as a workaround by configuring the appropriate Group Policy for their Windows version. A device restart is required to apply these settings. Historical issues include a bug fixed in April 2025 affecting WSUS installations and another issue resolved in August 2025 related to the Windows 11 24H2 cumulative update. Additionally, a KIR fix was provided for a known issue causing the May 2026 Windows 11 security update to fail with error code 0x800f0922.
Windows boot partition runs out of space for Microsoft's May security update
Winsage
May 18, 2026

Windows boot partition runs out of space for Microsoft’s May security update

Microsoft has acknowledged a potential issue with its May 2026 security update, which may fail to install properly due to insufficient space in the EFI System Partition (ESP). If the available space in the ESP drops below 10 MB, users may encounter a 0x800f0922 error code, leading to installation failures during the reboot phase. This issue affects Windows 11 versions 25H2 and 24H2. Microsoft has proposed two solutions: a registry edit or a Known Issue Rollback (KIR), which has already propagated to consumer and non-managed business devices. The update addresses several critical Microsoft CVEs, although there have been no reports of active exploitation.
Microsoft confirms Windows 11 security update install issues
Winsage
May 18, 2026

Microsoft confirms Windows 11 security update install issues

Microsoft has acknowledged a significant issue with the May 2026 Windows 11 security update, KB5089549, where users are encountering difficulties in installation, specifically the 0x800f0922 error code. This issue is primarily due to insufficient free space on the EFI System Partition (ESP), especially for devices with 10 MB or less available. The installation may fail during the reboot phase at around 35–36% completion, with users receiving notifications like "Something didn't go as planned. Undoing changes." Log entries may indicate insufficient ESP free space, such as "SpaceCheck: Insufficient free space" and "ServicingBootFiles failed. Error = 0x70." Microsoft recommends affected users utilize the Known Issue Rollback feature to reverse problematic updates and advises IT departments to install and configure the relevant Group Policy to address the issue.
Windows 11 and Microsoft Edge Hacked at Pwn2Own Berlin 2026
Winsage
May 16, 2026

Windows 11 and Microsoft Edge Hacked at Pwn2Own Berlin 2026

On May 14, Pwn2Own Berlin 2026 began, where researchers earned ,000 for 24 unique zero-day vulnerabilities. Cheng-Da Tsai, also known as Orange Tsai, achieved a significant Edge sandbox escape, earning ,000, and later exploited Microsoft Exchange for remote code execution, earning an additional ,000. Tsai accumulated 17.5 Master of Pwn points, contributing to DEVCORE's lead with ,000 in total earnings. Other researchers, including Angelboy and TwinkleStar03, earned ,000 for an Improper Access Control vulnerability, while Marcin Wiązowski and Kentaro Kawane also contributed successful exploits. By the end of Day One, DEVCORE led with ,000, and the event featured a prize pool exceeding ,000,000 across 31 targets. As of Day Two, a total of ,750 had been awarded for 39 unique vulnerabilities, with DEVCORE leading at 40.5 points and ,000 in earnings.
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