Windows Defender Firewall can protect your computer from malicious incoming connections by blocking network access for some Applications and programsWhen this happens, you may see the message "Windows Defender Firewall has blocked some dialog window features for this app on your PC. You can choose to allow or disallow access to this app." 
Ideally, this prompt should only appear once when an application first attempts to access the network. However, if Windows repeatedly bugs you with this security prompt, you can fix the underlying issue with the troubleshooting tips below.
1. Change the network profile type to private.
"Windows Defender Firewall uses some features of this app" typically appears when Windows is connected to a public network and is requesting permission for incoming connections. However, if you have marked the Wi-Fi network at your home or office as public, you may see this error repeatedly. To fix it, you should change its network profile type to private.
Step 1: Right click start button and select Settings from the list.
Step 2: in Network and Internet tab , Go to Wi-Fi access.
Step 3: tap on Wi-Fi Your access to Its characteristics.
Step 4: Within the type Network Profile , Locate Previous Post.
Getting out of Settings app And the error shouldn't bother you.
2. Run Windows and repair it.
If the problem persists, you can use Built-in troubleshooting on Windows To find and fix common Windows issues with incoming connections and Windows Firewall, here's how.
Step 1: Click on Windows key + I To launch Settings app. in a System tab Scroll down to tap find the mistakes and resolve it.
Step 2: Locate Other troubleshooters and fixes.
Step 3: Look for Incoming Connections Troubleshooter And run it.
Follow the on-screen prompts and let Windows resolve any issues with incoming connections and Windows Firewall.
3. Allow applications through Windows Firewall
If Windows Defender continues to block essential apps and programs, you can manually whitelist these apps by following the steps below. Note that you will need to: Administrative account So this works.
Step 1: Click on Windows key + S to reach Search menu and write it Allow the application Via Windows Firewall , And press Enter.
Step 2: Click Change settings button.
Step 3: Scroll down to select Application site Your and select the private and public checkboxes to Whitelist. Then, click "OK".
You can too Add more applications and programs to the whitelist in the same way. If you cannot select Application site Or a program In the menu, click Allow button For another app to add to the list.
After completing the above steps, the error should no longer appear when accessing these apps.
4. Scan for malware
The presence of malware can also cause the message "Windows Defender Firewall has blocked some features of this app" to appear on your computer. To eliminate this possibility, you can run a full system scan of your computer using Windows Security application Or a third-party antivirus program.
5. Temporarily disable VPN
Windows Defender Firewall can block encrypted data transmission over a VPN. Windows will block all incoming and outgoing connections and display this error when this occurs.
To fix it, you can disable VPN connection temporarily and try using your app again.
6. Reset Windows Defender Firewall
Any recent changes to Windows Defender Firewall settings may block some of the app's functionality. Instead of manually reviewing all the settings, you should consider resetting Windows Defender Firewall to its default settings. Here's how.
Step 1: Click on Windows key + R to start Helping tool. Write control in the dialog and press Enter.
Step 2: Use the drop-down menu next to the display to select Large or small icons. Then, click Windows Defender Firewall.
Step 3: tap on Restore the default settings From the left side.
Step 4: Click Restore Default button.
Step 5: Choose yes Upon request.
After completing the above steps, check if Windows Defender Firewall is still blocking some application features.
Defenders in Action
It's frustrating when Windows Defender Firewall blocks certain functions of your favorite apps. However, this isn't a reason to disable Windows Defender Firewall on your PC. Instead, try the solutions above to fix the "Windows Defender Firewall has blocked some features of this app" error on your Windows PC. As always, let us know which solution worked for you in the comments below.
