%20Warning%20Windows%2011%20Update%20KB5077181%20Causes%20Boot%20Loops.webp "(Fixed) Warning Windows 11 Update KB5077181 Causes Boot Loops")
Microsoft's latest update, KB5077181, is breaking thousands of PCs. If you haven't updated yet, PAUSE UPDATES IMMEDIATELY.
The Symptoms:
- Infinite Reboot Loop: PC restarts 15+ times before the login screen appears.
- SENS Error: "System Event Notification Service" fails to load.
- Fake Wi-Fi: Shows connected, but no Internet access (DHCP error).
It is happening again. Just days after Microsoft released the KB5077181 patch for Windows 11, forums and support tickets are flooding with reports of catastrophic failures. This isn't just a "slow PC" issue; this update is rendering machines unusable.
The issue is widespread, affecting multiple systems managed by the same users, which suggests a fundamental flaw in the code rather than a random glitch. If your computer is stuck restarting or your internet suddenly died after an update, you are likely a victim of this patch.
The 3 Major Bugs in KB5077181
Based on verified user reports and our analysis, this update breaks the core communication between Windows services.
1. The "Reboot Nightmare"
The most alarming issue is the boot loop. Users report their screens going black and the PC restarting automatically over 15 times. Eventually, it may load a corrupted login screen, but many are locked out entirely.
2. The SENS Login Error
Even if you manage to boot, you might be hit with a "System Event Notification Service (SENS)" error. This means Windows cannot load your user profile correctly, leaving you with a blank desktop or limited access to your files.
3. The "Ghost" Internet Connection
This is tricky. Your taskbar says you are connected to Wi-Fi, but no website loads. The update seems to break the DHCP Protocol, meaning your router cannot assign an IP address to your PC.
How to Fix Windows 11 KB5077181 update issues
Microsoft has acknowledged issues with the "Health Dashboard," but a permanent official patch isn't out yet. You must manually remove this update now.
Step 1: Boot into Safe Mode (If you can't login)
If your PC is looping, interrupt the startup 3 times by holding the power button. This triggers "Automatic Repair." Go to Troubleshoot > Advanced Options > Startup Settings > Restart > Press 4 (Safe Mode).
Step 2: Remove the Update
- Open the Control Panel (Search "Control Panel" in the Start Menu).
- Go to Programs > Programs and Features.
- On the left sidebar, click View installed updates.
- Look for "Security Update for Microsoft Windows (KB5077181)".
- Right-click it and select Uninstall.
- Restart your computer.
Windows will try to reinstall this broken update automatically within 24 hours. To stop it:
Go to Settings > Windows Update > Pause updates for 1 week. This gives Microsoft time to fix the bug.
Is It Safe to Uninstall Security Updates?
Normally, we advise against removing security patches. However, when an update renders your device unusable, usability comes first. The risks of this specific bug (data inaccessibility) outweigh the security benefits of the patch right now. Uninstall it, wait for KB5077182 (the likely fix), and then update. (ads)
Frequently Asked Questions
I uninstalled it, but it came back. What do I do?
You must use the "Pause Updates" feature in Settings immediately after restarting. Alternatively, you can use the Microsoft "Show or Hide Updates" troubleshooter tool to permanently block KB5077181.
Will this delete my files?
The update itself usually doesn't delete files, but the Boot Loop can corrupt your hard drive if the power is cut abruptly. If you are stuck in a loop, try to enter Safe Mode gently rather than pulling the plug.