Although there are no security improvements in this update, it contains all previously released security improvements.
KB5054980 resolves a problem with using System.IO APIs to work with UNC share files and directories.
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What if kb5052094 fails to install on Windows 11?
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Refer to this guide to get multiple proven fixes now.
Solution 1: Redownload the Update
Step 1.
In the left pane, selectWindows Update.
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In the right section, click onAdvanced optionsand then scroll down to locateOptional updates.
Find KB5054980 and then download and install it from scratch.
Here are the full fixes.

Without meeting this prerequisite, your KB5054980 might fail to install.
After installation, take these actions to turn them on:
Step 1.
OpenControl Paneland then click onPrograms.
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UnderPrograms and Features, tap onTurn Windows features on or off.
Tick the boxes beside.NET Framework 3.5 (includes .NET 2.0 and 3.0)and.NET Framework 4.8 Advanced Services.
Click onOKto save the changes.
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Here are top 5 solutions for this issue.
If they are not running properly, theres no wonder that KB5054980 installation failure crops up.
In the service list, scroll down to locate the services below:
Step 4.
Right-tap on them one by one to selectProperties, set theStartup typetoAutomatic, hitStartand save the changes.
Other Potential Solutions
Are you unable to rename Catroot2 and SoftwareDistribution on your setup?
This post covers some solutions you could try.
Final Words
By now, you might be bothered by KB5054980 not installing anymore.