I. How to fix Windows error code 0x803FB005?
Windows error code 0x803FB005 generally occurs when downloading applications through the Windows App Store. This error may be related to app store failures, over-protection of third-party antivirus software, failure to update and install patches released by Microsoft in time, and system file corruption. Here are some practical fixes.
1. Turn off antivirus software when downloading apps
Some third-party anti-virus software has problems of over-protection and incorrect blocking of applications, so we can turn off the anti-virus software before downloading the application, and download it later to see if the problem is resolved.
Microsoft Store (App Store) can also cause error code 0x803FB005 if there is a malfunction. We can fix some glitches by resetting the Microsoft Store. The specific operation steps are as follows:
Step 1: Right-click (Start), select (Apps and Features).
Step 2: On the application and function interface, find (store) and click (Advanced Options) under (Microsoft Store).
Step 3: Find the (Reset) button and tap it, the data of this app will be deleted when resetting. If you don’t want to delete the data, you can also try the (repair) function first. After the operation is complete, please restart the computer and check whether the problem is resolved.
3. Run the Windows Store Troubleshooter
Troubleshooting is a built-in troubleshooting tool of Windows system, which can help users troubleshoot and fix some problems. So we can run the Windows Store Troubleshooter to fix this issue. Proceed as follows:
Step 1: Run the computer, press the (Windows+I) key on the keyboard at the same time to open the setting interface. Then click into the (Update and Security) option.
Step 2: Select (Troubleshooting) and click (Other troubleshooting).
Step 3: Find and click on (Windows Store Apps), and then click on (Run the troubleshooter). Afterwards, perform repairs according to the prompts, and then restart the computer to check whether the problem is resolved.
4. Perform Windows Update
Microsoft will provide patches for some faults, and we need to update and install patches in time. The specific steps are as follows:
Step 1: Run the computer, find the (Windows Update Settings) option in the search box in the lower left corner and enter it.
Step 2: Next, in the Windows Settings interface, select (Windows Update) on the left and click (Check for Updates) on the right. If an item has been detected that needs to be updated and installed, please follow the prompts. Then restart the computer to see if the problem is resolved.
5. Run SFC and DISM commands
The SFC (System File Checker) and DISM (Deployment Image Servicing and Management) tools are Windows built-in utilities that scan system files for errors and fix them automatically. If the error code 0x803FB005 is related to system file corruption, you can try this method.
Step 1: Search (cmd) in the search box in the lower left corner, right-click (Command Prompt) and select (Run as Administrator) to open the Command Prompt tool.
Step 2: In the opened command prompt window, enter the command (SFC /scannow) and press the (Enter) key. Next, System File Checker will perform a system scan and fix problematic system files. If it prompts that SFC cannot repair the damaged file, please continue to the next step.
Step 3: Type (Dism /Online /Cleanup-image /RestoreHealth) in the opened Command Prompt window and press the (Enter) key to repair corrupted system files. After the command is executed, you can run it again (SFC /scannow), then restart the computer and re-update Windows to check whether the current problem is resolved.
These are a few ways to fix error code 0x803FB005. If it has not been repaired, you can try to reset the computer or use the Windows Media Creation Tool to upgrade the system, and then check whether the problem is resolved. If you find that files are lost after the repair is completed or during daily use of the computer, you can check the following methods to scan and restore them.