Windows 10 Taskbar and built-in apps not responding

[Zhaoxuan Li]

Whenever I try to click on the windows button, or open settings panel, or search panel, or Systems panel, my mouse cursor will spin for about half a second, and nothing will happen.

Events show that an error will be thrown by Windows.UI.Xaml.Controls.dll, with detailed event log as follows:

<Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event">

<System>​

<Provider Name="Application Error" />​

<EventID Qualifiers="0">1000</EventID>​

<Version>0</Version>​

<Level>2</Level>​

<Task>100</Task>​

<Opcode>0</Opcode>​

<Keywords>0x80000000000000</Keywords>​

<TimeCreated SystemTime="2020-09-01T17:35:34.7974751Z" />​

<EventRecordID>17981</EventRecordID>​

<Correlation />​

<Execution ProcessID="0" ThreadID="0" />​

<Channel>Application</Channel>​

<Computer>James</Computer>​

<Security />​

</System>​

<EventData>​

<Data>SystemSettings.exe</Data>​

<Data>10.0.19041.423</Data>​

<Data>ba750a3f</Data>​

<Data>Windows.UI.Xaml.Controls.dll</Data>​

<Data>10.0.19041.1</Data>​

<Data>7d4dac2e</Data>​

<Data>c000001d</Data>​

<Data>0000000000029683</Data>​

<Data>4c08</Data>​

<Data>01d680864be9a186</Data>​

<Data>C:\Windows\ImmersiveControlPanel\SystemSettings.exe</Data>​

<Data>C:\Windows\System32\Windows.UI.Xaml.Controls.dll</Data>​

<Data>aac80621-4a2b-45f9-94d9-efa5c257c4ff</Data>​

<Data>windows.immersivecontrolpanel_10.0.2.1000_neutral_neutral_cw5n1h2txyewy</Data> <Data>microsoft.windows.immersivecontrolpanel</Data>​

</EventData>​

</Event>



Other apps I mentioned about all throw the same Application Error with event ID 1000 Task (100), like

C:\WINDOWS\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\InputApp\TextInputHost.exe​

C:\WINDOWS\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe​

C:\Program Files\WindowsApps\Microsoft.WindowsCalculator_10.2005.23.0_x64__8wekyb3d8bbwe\Calculator.exe​

C:\WINDOWS\SystemApps\ShellExperienceHost_cw5n1h2txyewy\ShellExperienceHost.exe​

and they all points to Windows.UI.Xaml.Controls.dll with version 10.0.19041.1, with error code0xc000001d and offset 0x0000000000029683, the same as the detailed XML.

I have checked my hard drive and ran through memtest, all appeared to be normal. My windows version is build 19041.

I am facing lots of difficulty trying to use my PC under such circumstances, and I couldn't even restore windows since I cannot open settings panel. Of course I do not want to restore or reinstall my OS unless I have no other choice, because I will need to reconfigure so many different things and show down my work progress.

Please help me fix the Windows.UI.Xaml.Controls.dll problem.

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