Some security software reported a suspicious connection blocked notification for msedge.exe and this notification can warn people of some suspicious Trojan virus. But why does the “Microsoft suspicious connection blocked” issue happen? Let’s figure it out via this post on the MiniTool Website.

Microsoft Suspicious Connection Blocked

First of all, what is the Microsoft suspicious connection blocked notification? You may see this warning message from some security software, such as Bitdefender. This notification can be triggered by an attempt to access an HTTPS domain that has security certificate issues.

Since some uncertainty exists in unsafe domains, where external links do not have any security certificate, users may easily get attacked by phishing or malware and unwittingly bundled with some unwanted software. That’s why the Microsoft suspicious connection blocked notification pops up.

Recently, most users received an antivirus report telling msedge.exe attempted to establish a connection relying on an expired certificate to

The reason why that happens may be that the website no longer has a trusted Secure connection and Microsoft needs to renew the certificate or release an update to Edge to stop using that URL.

If you can make sure the domain is safe and correct, you can try the following methods to remove the MicrosoftEdge.exe Suspicious Connection.

Fix: Microsoft Suspicious Connection Blocked

Fix 1: Reset Your Browser

You can fix the “Microsoft suspicious connection blocked” issue by resetting your browser.

Step 1: Open your Edge browser and click the three-dot icon on the right-top corner to choose Settings from the menu.

Step 2: Click Reset settings and then click Restore settings to their default values > Reset.

click Reset

Fix 2: Edit the Hosts File

Another method to get rid of the suspicious connection blocked notification is to edit the hosts file. Before you start the editing, you’d better back up this file in case something goes wrong.

If you are looking for some excellent backup software, MiniTool ShadowMaker can be a better choice for you. It can backup files and perform a quick recovery with easy steps. Apart from that, it provides password protection and backup schemes & schedules to improve user experience.

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Step 1: Open File Explorer and go to C:\Windows\System32\drivers\etc.

Step 2: Locate to copy and paste the hosts file to the desktop and right-click on the file to open it via Notepad.

Step 3: Copy and paste these lines in the Notepad:

# Block access to a Microsoft website that is corrupt.

# localhost name resolution is handled within DNS itself.

# localhost

Step 4: Save it by pressing Ctrl + S and close it.

Step 5: Open Run by pressing Win + R and type C:\Windows\System32\drivers\etc to enter.

Step 6: Please copy and paste the hosts file on the desktop to this location to replace the original hosts file.

Fix 3: Try Microsoft Edge in Safe Mode

You can follow the next step to open Edge in Safe Mode to see if the “Microsoft suspicious connection blocked” gets fixed.

The steps are easy. You just need to open Microsoft Edge and click the three-dot icon to choose New InPrivate window. Then try to access the website.

Fix 4: Clean up Temp Files

You may need to delete some temp files so that the corrupted caches won’t stop the website access. Open Run and enter the following commands one by one to delete all the files in the folder.

  • temp
  • %temp%
  • prefetch

After that, try your Edge browser and check if the suspicious connection blocked notification appears again.

Protect Your Data from Cyber Attacks

Some unknown websites can host malicious viruses or malware and you may run into some troubles unwittingly. Your data will be put in danger because of these unexpected attacks so you may protect your data by preparing a data backup to an external hard drive.

MiniTool ShadowMaker is what we recommend. Apart from backup, it can also be used to share data and clone disks. Server backup and Windows backup are both allowed. For more features, please download and install the program to enjoy a 30-day free trial.

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Bottom Line:

This post can help you resolve the “Microsoft suspicious connection blocked” issue and give a series of methods for you to choose from. Hope this post is helpful for you.

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