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Fix: Windows Filtering Platform Has Blocked a Packet
7 min. read
Updated onMarch 28, 2024
updated onMarch 28, 2024
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Windows 11, the latest iteration in the series from Microsoft, is said to be the most advanced and user-oriented. However, encountering errors remains as common, if not more than the previous version. In this article, we will be taking up theWindows Filtering Platform has blocked a connectionproblem.
The error arises when certain packets or connections are blocked by the Base Filtering Engine. Though the problem may seem intricate to most users, its solutions are rather simple and have been listed out in the following sections.
For those encountering the error in Windows 11, it’s likely that the upgrade didn’t go through successfully and there’s some kind of misrecognition in Windows Firewall.
But, before we head to the fixes, it’s imperative that you understand the role of the Windows Filtering Platform and its main features.
How does the Windows Filtering Platform help developers?
Windows Filtering Platform, a set of system services and API (Application Programming Interface) allows developers to create network filtering applications. It was first introduced in Windows Vista and has been a part of the Windows ecosystem ever since.
It can also be used to build independent firewalls, antivirus, amongst other network-related applications. With this, an application can access and modify packets while these are being processed.
The three main features of the Windows Filtering Platform are as follows:
Now that you are fairly acquainted with the concept, let’s head to the most effective fixes for theWindows Filtering Platform has blocked a connectionproblem in Windows 11.
How can I fix the Windows Filtering Platform has blocked a connection error in Windows 11?
1. Disable the Firewall
After making the changes, restart the system and check if theWindows Filtering Platform has blocked a connectionproblem is eliminated in Windows 11. If not, head to the fix listed next.
2. Run DISM tool
3. Perform a quick SFC scan
The SFC (System File Checker) scan is used to identify corrupt system files, and if any are found, replace them with their cached copy stored on the system. So, if it’s the corrupt system files that are causing theWindows Filtering Platform has blocked a connectionproblem in Windows 11, running the SFC scan should fix it.
After executing the command, wait for the scan to complete, then restart the computer and check if the problem is eliminated. If the issue still persists, you can try using athird-party repair appthat has more advanced features.
4. Restart Windows Security Center
Once done, again restart the computer and check if theWindows Filtering Platform has blocked a connectionproblem is fixed in Windows 11.
5. Disable your antivirus
Oftentimes, the antivirus is known to conflict with the network settings and lead to a bunch of errors. This the generally the case with third-party antiviruses but the built-in Windows Security is also sometimes found to be the culprit.
Hence if the above fixes haven’t worked, you can try disabling the antivirus and check if theWindows Filtering Platform has blocked a connectionproblem is eliminated in Windows 11.
In case the error persists,uninstall the third-party antivirus appand verify if that changes the situation. Also,check out our curated list of the best antivirus software for Windows 11.
6. Create a new local account
In many cases, it was a corruption in the user account that led to theWindows Filtering Platform has blocked a connectionproblem. If that’s the case, and the above methods have fixed it, you cancreate a new local account on your Windows 11 PC.
While there is a lot of debate around whether you should go for a Microsoft account or a Local one, the latter should be a better choice here since it’s not linked to any servers and can be used independently on the device.
Once you have created a new local account, the error should not be present in theEvent Vieweranymore.
Which is better, Windows 11 or Windows 10?
With Windows 11 finally launched, most have been nothing but excited to get their hands on the latest iteration. But, a lot of users have been skeptical of the upgrade owing to various factors.
The primary reason is that they are accustomed to Windows 10 and it will take some time to get familiar with the new OS. But, that’s not a good enough reason since Windows 11 offers both a slightly better user interface along with a bunch of other features and security enhancements, meant to improve your experience.
If you too are confused between the two,go through our guide where we compare Windows 11 and Windows 10.
That’s all there is to theWindows Filtering Platform has blocked a connectionproblem in Windows 11 along with the most relevant fixes for it.
In case the methods listed above do not eliminate theWindows Filtering Platform has blocked a packeterror, you can eitherperform a system restoreorreset Windows 11 to its factory settings.
Tell us which fix worked and your thoughts on the whole Windows 11 vs Windows 10 debate in the comments section below.
More about the topics:event log viewers,Windows 11
Kazim Ali Alvi
Windows Hardware Expert
Kazim has always been fond of technology, be it scrolling through the settings on his iPhone, Android device, or Windows PC. He’s specialized in hardware devices, always ready to remove a screw or two to find out the real cause of a problem.
Long-time Windows user, Kazim is ready to provide a solution for your every software & hardware error on Windows 11, Windows 10 and any previous iteration. He’s also one of our experts in Networking & Security.
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Kazim Ali Alvi
Windows Hardware Expert
Kazim is specialized in hardware devices, always ready to remove a screw or two to find out the real cause of a problem.
