Windows 11 Start Menu Not working Properly after new 25H2 Update: Common Issues And Fixes

Windows 11 Start Menu Not working Properly? Here is the Fix

Windows 11’s 25H2 update introduces enhancements like a redesigned Start Menu, but many users face glitches where it fails to open or crashes. This post outlines the most reported issues and reliable fixes to get your system running smoothly again.
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25H2 Update Overview

Windows 11 version 25H2 rolled out in late 2025, focusing on performance tweaks and UI improvements, including an optional new Start Menu design. However, cumulative updates after July 2025, like KB5062553, trigger XAML-related bugs affecting the Start Menu, Explorer, and taskbar—mostly in enterprise setups but reported by home users too.​
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Common Windows 11 Start Menu Problem

Users encounter these frequent glitches post-25H2:

• Start Menu won’t open on click or Win key press.
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• Taskbar vanishes or becomes unresponsive, sometimes with a blank desktop after login.​​
• Crashes in XAML-dependent apps like Settings or Search, often after updates.​
• New Start Menu features missing or not auto-enabling.
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  These stem from delayed XAML package registration or corrupted files.​

Quick Fixes to Try First Windows 11 Start Menu Problem

Start with these simple steps before advanced tools:

1. Restart your PC: This clears temporary glitches by terminating stuck processes.​
2. Restart Windows Explorer: Press Ctrl + Shift + Esc, find “Windows Explorer” in Processes, right-click, and select Restart.
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3. End StartMenuExperienceHost task: In Task Manager Details tab, end “StartMenuExperienceHost.exe”—it relaunches automatically.​
4. Check for updates: Go to Settings > Windows Update > Check for updates, as Microsoft resolves issues in patches like KB5068861.​

Advanced Troubleshooting Steps

1. For persistent problems, use these command-line methods:
2. Run SFC and DISM: Open Command Prompt as admin, enter sfc /scannow then DISM /Online /Cleanup-Image /RestoreHealth. Restart after.​
3. Re-register Start Menu apps via PowerShell: Open PowerShell as admin, run Get-AppXPackage -AllUsers | Foreach {Add-AppxPackage -DisableDevelopmentMode -Register \”$($_.InstallLocation)\\AppXManifest.xml\”}. Restart.
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4. Register XAML packages (25H2-specific): In admin PowerShell, run these:
5. text
   Add-AppxPackage -Register -Path ‘C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\appxmanifest.xml’ -DisableDevelopmentMode
   Add-AppxPackage -Register -Path ‘C:\Windows\SystemApps\Microsoft.UI.Xaml.CBS_8wekyb3d8bbwe\appxmanifest.xml’ -DisableDevelopmentMode
   Add-AppxPackage -Register -Path ‘C:\Windows\SystemApps\MicrosoftWindows.Client.Core_cw5n1h2txyewy\appxmanifest.xml’ -DisableDevelopmentMode
   Then restart SiHost process in Task Manager.​
6. System Restore: Press Win + R, type rstrui, select a pre-issue restore point.​
7. Reset PC: Settings > System > Recovery > Reset this PC (keep files option). Microsoft is developing a permanent fix.
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Prevention and FAQs Windows 11 Start Menu Problem

Prevent recurrence by pausing non-security updates temporarily and disabling third-party UI tweaks.​

FAQs

• Why does 25H2 break the Start Menu? XAML packages fail to register post-update.​​
• Is this fix permanent? Patches like recent security updates resolve it for many.​
• New Start Menu not showing? Use tools like ViVeTool to enable (ID: 47205210).​
  Back up data first with tools like EaseUS Data Recovery Wizard for safety

To confirm if a cumulative update caused Start Menu crashes in Windows 11 25H2, inspect your update history and Event Viewer logs for specific error patterns tied to post-July 2025 patches like KB5062553 or KB5065789.
​Check Some Offers

Verify Installed Updates For Windows 11 Start Menu Problem

Access your update log to spot culprit KBs:

• Press Win + I > Windows Update > Update history > Feature updates or Uninstall updates.​
• Look for 25H2 builds (26200.xxxx via Win + R > winver) with cumulative updates from July 2025 onward (e.g., KB5062553, KB5068861).
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• Note installation dates matching crash onset—if a recent KB aligns, it’s likely the trigger per Microsoft’s KB5072911 advisory.​
• Check Event Viewer Logs
  Logs reveal crash details:
• Press Win + R > eventvwr > Windows Logs > Application/System.
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• Filter by “Error” or Event IDs 1000/1001, source “Application Error” around crash times.​
• Search for faults in StartMenuExperienceHost.exe, ShellHost.exe, or ntdll.dll—common in XAML registration failures post-update.​​
• PowerShell check: Run as admin Get-Process StartMenuExperienceHost -IncludeUserName to verify process status.​
• Next Steps if Confirmed
  Uninstall suspect KB via Update history > Uninstall updates, then install latest fixes like KB5068861. Run SFC /scannow if issues persist. This matches known 25H2 bugs resolved in November patches.

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