Fix Windows Update error 0x80243FFF
0Here's how to Fix Windows Update error 0x80243FFF.
The Windows Update error 0x80243FFF indicates a problem with the Windows Update service or a conflict with a third-party application. Here are some steps you can try to resolve the error:
1. Run the Windows Update Troubleshooter: Windows includes a built-in troubleshooter that can help identify and fix common Windows Update issues. Follow these steps to run the troubleshooter:
- Press Win + I to open the Settings app.
- Go to "Update & Security" and select "Troubleshoot" from the left pane.
- Under the "Get up and running" section, click on "Windows Update" and then click on the "Run the troubleshooter" button.
- Follow the on-screen instructions to complete the troubleshooting process.
2. Restart Windows Update services:
- Press Win + R to open the Run dialog box.
- Type "services.msc" and press Enter to open the Services window.
- Scroll down and locate the following services:
- Windows Update
- Background Intelligent Transfer Service (BITS)
- Cryptographic Services
- Right-click on each service, select "Restart," and wait for the process to complete.
- After restarting the services, try running Windows Update again and check if the error is resolved.
3. Clear Windows Update cache:
- Open Command Prompt as an administrator.
- Type the following commands one by one, pressing Enter after each command:
```
net stop wuauserv
net stop cryptSvc
net stop bits
net stop msiserver
ren C:\Windows\SoftwareDistribution SoftwareDistribution.old
ren C:\Windows\System32\catroot2 catroot2.old
net start wuauserv
net start cryptSvc
net start bits
net start msiserver
```
- Close Command Prompt and restart your computer.
- After the restart, try running Windows Update and check if the error is resolved.
4. Disable third-party antivirus and firewall: Sometimes, third-party antivirus or firewall software can interfere with the Windows Update process. Temporarily disable any third-party security software you have installed and check if the error persists. If the error is resolved after disabling the software, consider configuring the software to allow Windows Update or switch to a different antivirus/firewall solution.
5. Perform a clean boot: Performing a clean boot can help identify if a third-party application or service is causing conflicts with Windows Update. Here's how to perform a clean boot:
- Press Win + R to open the Run dialog box.
- Type "msconfig" and press Enter to open the System Configuration window.
- In the General tab, select "Selective startup" and uncheck the box next to "Load startup items."
- Go to the Services tab, check the box next to "Hide all Microsoft services," and then click on "Disable all."
- Go to the Startup tab and click on "Open Task Manager."
- In Task Manager, disable all startup items by right-clicking on each item and selecting "Disable."
- Close Task Manager and go back to the System Configuration window.
- Click on "Apply" and then "OK" to save the changes.
- Restart your computer and try running Windows Update again.
If the error persists after trying these steps, you may need to seek further assistance from Microsoft Support or a qualified technician who can help diagnose and resolve the specific issue on your system.