How to Fix PcaWallpaperAppDetect (PcaSvc.dll) Error on Windows 11 24H2

Recently, Microsoft released the Windows 11 24H2 update in the Release Preview channel, long before it was widely available. Many people installed the 24H2 update right away, but after a few days, they noticed that the PcaSvc.dll error was occurring every few hours.

It turns out that the PcaWalpaperAppDetect error is caused by a failed scheduled task. So, this guide will share a simple method to fix the PcaWalpaperAppDetect (PcaSvc.dll) error on Windows 11 24H2 build. Here are the steps to follow.

To fix PcaWallpaperAppDetect (PcaSvc.dll) error on Windows 11 24H2 build, open the Start menu and search for “Task Scheduler” .

How to Fix PcaWallpaperAppDetect (PcaSvc.dll) Error on Windows 11 24H2
Open Task Scheduler in Windows 11

Next, open Task Scheduler and navigate to Task Scheduler Library > Microsoft > Windows > Application Experience .

How to Fix PcaWallpaperAppDetect (PcaSvc.dll) Error on Windows 11 24H2
Fix pcasvc.dll error on Win 11

Once here, look for “PcaWallpaperAppDetect” on the right.

How to Fix PcaWallpaperAppDetect (PcaSvc.dll) Error on Windows 11 24H2
Find PcaWallpaperAppDetect

Now right click on it and delete it. Click “Yes” to confirm the action. That’s it!

How to Fix PcaWallpaperAppDetect (PcaSvc.dll) Error on Windows 11 24H2
Delete a scheduled task in Windows 11

Here's how you can fix the PcaSvc.dll error on Windows 11. As we all know, the 24H2 update was pulled from the Release Preview channel by Microsoft due to performance issues. Microsoft said that the new update will be rolled out in the coming weeks.

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