10 May, 2026

Microsoft confirms April Windows updates cause backup failures

Microsoft has confirmed that the April 2026 security updates are causing failures in third-party backup applications using the psmounterex.sys driver. As GeekFeed reported last week, this issue affects software using VSS (Volume Shadow Copy Service) snapshots and causes failures due to a VSS service timeout. Software impacted by this includes, but is not limited to, products from Macrium (Reflect), Acronis (Cyber […]

3 mins read

Microsoft Defender wrongly flags DigiCert certs as Trojan:Win32/Cerdigent.A!dha

Microsoft Defender is detecting legitimate DigiCert root certificates as Trojan:Win32/Cerdigent.A!dha, resulting in widespread false-positive alerts, and in some cases, removing certificates from Windows. According to cybersecurity expert Florian Roth, the issue first appeared after Microsoft added the detections to a Defender signature update on April 30th. Today, administrators worldwide began reporting that DigiCert root certificate entries were flagged as malware and, on […]

5 mins read

Microsoft tests modern Windows Run, says it’s faster than legacy dialog

Microsoft has confirmed that Windows 11 is getting a new modern Run dialog with dark mode support and faster performance in a new preview build 26300.8346. The Run dialog has been around since the Windows 95 era, and it is one of those small Windows features that many power users still rely on every day. […]

5 mins read

Microsoft fixes Remote Desktop warnings displaying incorrectly

Microsoft has fixed a known issue causing newly introduced Windows security warnings to display incorrectly when opening Remote Desktop (.rdp) files. This known issue affects all supported Windows versions, including Windows 11 (KB5083768 & KB5083769), Windows 10 (KB5082200), and Windows Server (KB5082063), on devices with multiple monitors and different display scaling settings. Microsoft addressed the bug in the optional KB5083631 preview […]

2 mins read

Microsoft now lets admins choose pre-installed Store apps to uninstall

Microsoft has updated a Windows 11 in-box app removal policy introduced in October to include a dynamic list that lets IT admins choose which preinstalled Store apps to uninstall. The updated RemoveDefaultMicrosoftStorePackages policy enables admins to remove any preinstalled MSIX/APPX app by referencing its Package Family Name (PFN) using Group Policy Object (GPO) or a custom OMA-URI […]

2 mins read

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 […]

4 mins read

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 […]

2 mins read

CISA orders feds to patch Windows flaw exploited as zero-day

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has ordered federal agencies to secure their Windows systems against a vulnerability exploited in zero-day attacks. Tracked as CVE-2026-32202, this security flaw was reported by cybersecurity firm Akamai, which described it as a zero-click NTLM hash leak vulnerability left behind after Microsoft incompletely patched a remote code execution flaw […]

2 mins read

Microsoft says backend change broke Teams Free chat and calls

Microsoft is working to resolve a known issue that prevents some Microsoft Teams Free users from chatting and calling others. Teams Free (also known as Teams for personal use) is a subscription-free version designed for individuals, families, and small community groups, which provides video conferencing, instant messaging, and collaborative file-sharing tools on mobile and desktop […]

2 mins read

Microsoft to deprecate legacy TLS in Exchange Online starting July

Microsoft says it will start blocking legacy TLS connections for POP and IMAP email clients in Exchange Online starting in July 2026. The Transport Layer Security (TLS) cryptographic protocol protects users’ information from eavesdropping, tampering, and message forgery when accessing email over the Internet via client/server applications. However, the original TLS 1.0 specification and its […]

3 mins read