"Missing entry PcaWallpaperAppDetect" error occurred after Windows 11 24H2 update? This article provides a variety of solutions.
Many users report receiving the "Missing Entry: PcaWallpaperAppDetect" error message after upgrading to Windows 11 24H2. This article will guide you on how to resolve this issue.
Microsoft has released Windows 11 24H2 preview (built version 26100.712), which many users have tried. However, multiple users said they received the "Missing Entry: PcaWallpaperAppDetect" error message after the update. The related forum discussions are as follows:
After updating to Windows 11 version 24H2, this pop-up error occurred in C:\WINDOWS\system32\PcaSvc.dll Missing entry: PcaWallpaperAppDetect
Microsoft has officially admitted this bug and is working to fix it. This "Missing entry on Windows 11 24H2: PcaWallpaperAppDetect" error appears to be caused by using a third-party wallpaper application such as PowerToys.
Method 1: Delete PcaWallpaperAppDetect scheduled tasks
If the "Missing Entry: PCAWallpaperAppDetect RunDLL" error occurs, you can delete the PcaWallpaperAppDetect scheduled task through the Task Scheduler. The steps are as follows:
- Type Task Scheduler in the search box and select Run as administrator.
- Go to Task Scheduler Library > Microsoft > Windows > Application Experience.
- Find the "PcaWallpaperAppDetect" task in the list.
- Right-click it and select Delete.
Method 2: Run SFC and DISM
System file corruption may also cause the "Missing entry on Windows 11 24H2: PcaWallpaperAppDetect" issue. In this case, you can try to fix it using the SFC and DISM utilities.
- Type "cmd" in the search box and select "Run as administrator".
- Type "sfc /scannow" and press "Enter" to run the SFC scan.
- Then, restart your computer and run Command Prompt as administrator again.
- To run DISM, type the following command and press the "Enter" key after each command.
- DISM /Online /Cleanup-Image /CheckHealth
- DISM /Online /Cleanup-Image /ScanHealth
- DISM /Online /Cleanup-Image /RestoreHealth
Method 3: Uninstall third-party wallpaper application
Many Windows 11 24H2 users prove that uninstalling third-party wallpaper applications such as PowerToys helps eliminate the "Missing Entry: PcaWallpaperAppDetect" error message. Here is the uninstall method:
- Type Control Panel in the search box and open it.
- Under Programs, click Uninstall Programs.
- Locate and right-click the third-party wallpaper application and select Uninstall. Then, follow the on-screen instructions to complete the uninstallation.
Method 4: Uninstall Windows 11 24H2 preview version
If the "Missing Entry: PcaWallpaperAppDetect" error starts to appear after updating to Windows 24H2, you can try to restore to the previous version.
- Press Windows I key at the same time to open "Settings".
- Go to Windows Update > Advanced Options > Recover.
- Under Recovery options, select Return. Follow the on-screen instructions to complete this process.
Summarize
The above method should fix the "Missing Entry: PcaWallpaperAppDetect" error on Windows 11 computers. If these methods are invalid, you can wait for Microsoft to officially release a fix to resolve this error in Windows 11 24H2.
The above is the detailed content of Missing Entry: PcaWallpaperAppDetect on Windows 11 24H2. For more information, please follow other related articles on the PHP Chinese website!

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