💻Windows 11 Virtual Desktops May Fail After Sign-In
Black screens and crashes await some Windows 11 users
TL;DR
Windows 11 virtual desktops running the August 2026 preview update may fail to load after sign-in, leaving users with a black screen. Microsoft issued a Known Issue Rollback to mitigate the issue until a permanent fix is available.
Windows 11 virtual desktops running the August 2026 preview update may fail to load after sign-in, leaving users staring at a black screen. This glitch primarily affects Azure Virtual Desktop (AVD) hosts using FSLogix, causing Windows Explorer crashes and forcing users to manually launch Explorer via Task Manager. Microsoft has issued a Known Issue Rollback (KIR) that administrators can deploy through Group Policy to disable the offending change until a permanent fix arrives. The issue affects Windows 11 versions 26H1, 25H2, and 24H2, but not Windows 10 or Windows Server. A resolution will be released in a future Windows update.
Key Points
Windows 11 virtual desktops running the August 2026 preview update may fail to load after sign-in, leaving users with a black screen.
Microsoft issued a Known Issue Rollback (KIR) that administrators can deploy through Group Policy to disable the offending change until a permanent fix arrives.
The glitch primarily affects Azure Virtual Desktop (AVD) hosts using FSLogix, causing Windows Explorer crashes.
Windows 11 versions 26H1, 25H2, and 24H2 are affected, but not Windows 10 or Windows Server.
A resolution for the issue will be released in a future Windows update.
Why It Matters
If you're managing Windows 11 virtual desktops on Azure Virtual Desktop (AVD) using FSLogix, the August 2026 preview update introduces a significant glitch. Users may face black screens and Explorer crashes, requiring manual recovery via Task Manager. Microsoft's Known Issue Rollback offers temporary relief, but the long-term fix is pending. This issue highlights the ongoing challenges in rolling out new Windows updates.
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