Here's a snippet from the client log:
<![LOG[1. Update (Missing): 2025-12 Cumulative Update for Windows 11, version 25H2 for x64-based Systems (KB5072033) (26200.7462) (3e1dea6e-9a62-4287-9767-a3afbea10525, 100)]LOG]!><time="15:00:53.237+360" date="12-16-2025" component="WUAHandler" context="" type="1" thread="7064" file="cwuahandler.cpp:1914">
<![LOG[2. Update (Missing): 2025-12 .NET 10.0.1 Update for x64 Client (KB5072928) (6992715c-116e-48cd-96a3-d132927f5a4d, 200)]LOG]!><time="15:00:53.239+360" date="12-16-2025" component="WUAHandler" context="" type="1" thread="7064" file="cwuahandler.cpp:1914">
<![LOG[3. Update (Missing): Windows Malicious Software Removal Tool x64 - v5.138 (KB890830) (9ba69000-b60b-4aae-96bb-a5506eb6ccfe, 200)]LOG]!><time="15:00:53.243+360" date="12-16-2025" component="WUAHandler" context="" type="1" thread="7064" file="cwuahandler.cpp:1914">
<![LOG[A top-level update (3e1dea6e-9a62-4287-9767-a3afbea10525) was not fully downloaded.]LOG]!><time="15:00:56.022+360" date="12-16-2025" component="WUAHandler" context="" type="3" thread="7064" file="cwuahandler.cpp:2288">
<![LOG[Failed to install updates. Error = 0x8007066a.]LOG]!><time="15:00:56.023+360" date="12-16-2025" component="WUAHandler" context="" type="3" thread="7064" file="cwuahandler.cpp:494">
<![LOG[Going to search using WSUS update source.]LOG]!><time="15:00:56.050+360" date="12-16-2025" component="WUAHandler" context="" type="1" thread="7064" file="cwuahandler.cpp:1687">
<![LOG[Synchronous searching started using filter: 'UpdateID = '3e1dea6e-9a62-4287-9767-a3afbea10525' AND DeploymentAction = *'...]LOG]!><time="15:00:56.050+360" date="12-16-2025" component="WUAHandler" context="" type="1" thread="7064" file="cwuahandler.cpp:1022">
<![LOG[Successfully completed synchronous searching of updates.]LOG]!><time="15:00:56.916+360" date="12-16-2025" component="WUAHandler" context="" type="1" thread="7064" file="cwuahandler.cpp:1068">
<![LOG[1. Update: 3e1dea6e-9a62-4287-9767-a3afbea10525, 100 BundledUpdates: 1]LOG]!><time="15:00:56.918+360" date="12-16-2025" component="WUAHandler" context="" type="1" thread="7064" file="cwuahandler.cpp:1792">
<![LOG[ Update: 2d948bef-d756-4956-a72f-6cd8045c5949, 100 BundledUpdates: 0]LOG]!><time="15:00:56.919+360" date="12-16-2025" component="WUAHandler" context="" type="1" thread="7064" file="cwuahandler.cpp:1792">
<![LOG[1. Update (Missing): 2025-12 Cumulative Update for Windows 11, version 25H2 for x64-based Systems (KB5072033) (26200.7462) (3e1dea6e-9a62-4287-9767-a3afbea10525, 100)]LOG]!><time="15:00:56.921+360" date="12-16-2025" component="WUAHandler" context="" type="1" thread="7064" file="cwuahandler.cpp:1914">
<![LOG[A top-level update (3e1dea6e-9a62-4287-9767-a3afbea10525) was not fully downloaded.]LOG]!><time="15:00:56.926+360" date="12-16-2025" component="WUAHandler" context="" type="3" thread="7064" file="cwuahandler.cpp:2288">
<![LOG[Failed to install updates. Error = 0x8007066a.]LOG]!><time="15:00:56.926+360" date="12-16-2025" component="WUAHandler" context="" type="3" thread="7064" file="cwuahandler.cpp:494">
<![LOG[1. Update (Missing): 2025-12 Cumulative Update for Windows 11, version 25H2 for x64-based Systems (KB5072033) (26200.7462) (3e1dea6e-9a62-4287-9767-a3afbea10525, 100)]LOG]!><time="15:00:53.237+360" date="12-16-2025" component="WUAHandler" context="" type="1" thread="7064" file="cwuahandler.cpp:1914">
<![LOG[2. Update (Missing): 2025-12 .NET 10.0.1 Update for x64 Client (KB5072928) (6992715c-116e-48cd-96a3-d132927f5a4d, 200)]LOG]!><time="15:00:53.239+360" date="12-16-2025" component="WUAHandler" context="" type="1" thread="7064" file="cwuahandler.cpp:1914">
<![LOG[3. Update (Missing): Windows Malicious Software Removal Tool x64 - v5.138 (KB890830) (9ba69000-b60b-4aae-96bb-a5506eb6ccfe, 200)]LOG]!><time="15:00:53.243+360" date="12-16-2025" component="WUAHandler" context="" type="1" thread="7064" file="cwuahandler.cpp:1914">
<![LOG[A top-level update (3e1dea6e-9a62-4287-9767-a3afbea10525) was not fully downloaded.]LOG]!><time="15:00:56.022+360" date="12-16-2025" component="WUAHandler" context="" type="3" thread="7064" file="cwuahandler.cpp:2288">
<![LOG[Failed to install updates. Error = 0x8007066a.]LOG]!><time="15:00:56.023+360" date="12-16-2025" component="WUAHandler" context="" type="3" thread="7064" file="cwuahandler.cpp:494">
<![LOG[Going to search using WSUS update source.]LOG]!><time="15:00:56.050+360" date="12-16-2025" component="WUAHandler" context="" type="1" thread="7064" file="cwuahandler.cpp:1687">
<![LOG[Synchronous searching started using filter: 'UpdateID = '3e1dea6e-9a62-4287-9767-a3afbea10525' AND DeploymentAction = *'...]LOG]!><time="15:00:56.050+360" date="12-16-2025" component="WUAHandler" context="" type="1" thread="7064" file="cwuahandler.cpp:1022">
<![LOG[Successfully completed synchronous searching of updates.]LOG]!><time="15:00:56.916+360" date="12-16-2025" component="WUAHandler" context="" type="1" thread="7064" file="cwuahandler.cpp:1068">
<![LOG[1. Update: 3e1dea6e-9a62-4287-9767-a3afbea10525, 100 BundledUpdates: 1]LOG]!><time="15:00:56.918+360" date="12-16-2025" component="WUAHandler" context="" type="1" thread="7064" file="cwuahandler.cpp:1792">
<![LOG[ Update: 2d948bef-d756-4956-a72f-6cd8045c5949, 100 BundledUpdates: 0]LOG]!><time="15:00:56.919+360" date="12-16-2025" component="WUAHandler" context="" type="1" thread="7064" file="cwuahandler.cpp:1792">
<![LOG[1. Update (Missing): 2025-12 Cumulative Update for Windows 11, version 25H2 for x64-based Systems (KB5072033) (26200.7462) (3e1dea6e-9a62-4287-9767-a3afbea10525, 100)]LOG]!><time="15:00:56.921+360" date="12-16-2025" component="WUAHandler" context="" type="1" thread="7064" file="cwuahandler.cpp:1914">
<![LOG[A top-level update (3e1dea6e-9a62-4287-9767-a3afbea10525) was not fully downloaded.]LOG]!><time="15:00:56.926+360" date="12-16-2025" component="WUAHandler" context="" type="3" thread="7064" file="cwuahandler.cpp:2288">
<![LOG[Failed to install updates. Error = 0x8007066a.]LOG]!><time="15:00:56.926+360" date="12-16-2025" component="WUAHandler" context="" type="3" thread="7064" file="cwuahandler.cpp:494">
