For example, your system files get corrupted, the related services are incorrectly configured, etc.

The KB5022845 update includes various security improvements and vulnerability fixes.

So, it is necessary to address the KB5022845 not installing issue to get your system improved.

Windows Security protections

How to Fix KB5022845 Fails to Install Issue?

You may try this tool first.

Step 1: OpenSettingsby pressingWin + Iand clickTroubleshoot.

download the update

Step 2: ClickOther troubleshootersand clickRunnext toWindows Update.

Here is the way.

sfc /scannow

step 2: When this command finishes its process, execute this command.

You may take a stab at restart the services.

Step 1: TypeServicesinSearchand open it.

Step 2: Scroll down to locateBackground Intelligent Transfer Serviceand double-press it to set itsStartup typetoAutomaticand clickStart.

Then you’re able to repeat step 2 to theWindows Updateservice.

Step 1: OpenSettingsand clickPrivacy & security > Windows Security.

Step 2: ClickOpen Windows Security.

Remember to restore the protections after you update to the KB5022845 package.

Fix 5: Update Manually

You are allowed to update Windows manually and here is the way.

Step 1: Go to theMicrosoft Update Catalog websiteand search for KB5022845.

Step 2: Choose the right version and clickDownload.

Proceed with on-screen instructions to plant the update and cycle your box.

That may be helpful to fix the Windows KB5022845 update fails to install issue.

In this way, you canrepair Windows 11by resetting your PC or clean installing Windows 11.

Use MiniTool ShadowMaker and create your back plan.

MiniTool ShadowMaker is afree backup softwarethat canbackup files, folders, partitions, disks, and your system.

Besides, MiniTool provides backup schedules and schemes to keep your time and resources.

Anyway, the troubleshooting methods are much the same.

Your issue can be resolved by the above methods.

It is worth trying!