KB5083769
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 […]
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 […]
Windows 11 cumulative updates KB5083769 & KB5082052 released
Microsoft has released Windows 11 KB5083769 and KB5082052 cumulative updates for versions 25H2/24H2 and 23H2 to fix security vulnerabilities, bugs, and add new features. Today’s updates are mandatory as they contain the April 2026 Patch Tuesday security patches for vulnerabilities discovered in previous months. You can install today’s update by going to Start > Settings > Windows Update and clicking on ‘Check for Updates.’ You can also manually download and install […]