3rd Party Browser are broken on Windows 10 (1709) with 2018-3

After installing the 2018-3 Cumulative Update for Windows 10 Version 1709 for x64-based systems (https://support.microsoft.com/en-us/help/4088776/windows-10-update-kb4088776) yesterday on my Dell Windows 10 Pro system I can no longer access the Internet using either Google Chrome or Mozilla FireFox.  Edge and IE continue to work.

Both FireFox and Chrome claim to be blocked by the Windows Firewall or Proxy server, but I checked my settings and both are allowed and I even went as far as to turn all of Defender off - still no luck. 

I also tried in-installing, restarting my system, re-installing Chrome and FireFox - still no luck getting Internet access.

Is the 2018-3 update broken and should I just remove it from my system since everything worked till it was installed?

Not sure if it matters, the prior update installed on the system was 2017-12 for 1709 and all was running fine.

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Hi Sven,

Let's us isolate the issue. Try creating a test user account and observe if the issue will replicate. Check this article. If it does, run these commands to fix possible file corruptions:

  1. Press Windows key and type Command Prompt then run it as administrator.  

  2. Type DISM.exe /Online /Cleanup-image /Restorehealth and press Enter.  

  3. Once it's done, type sfc /scannow and press Enter.  

  4. Restart your computer.

Let us know how it goes.

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Sadly these steps did not work.  The problem also repros with another user account.  I also tried running these two commands to no effect:

netsh int ip reset

netsh winsock reset

Any other ideas?

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I just noticed that this issue also affects other applications, such as PC Mark 10 that have their own HTML rendering engine for Internet content.

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The Dell OS Recovery Tool also can't access the Internet form the PC.  I tried removing and reinstalling the NIC, but that didn't help either.

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Got it. Let's confirm if the issue was caused by the update. Go to Control Panel > Programs > View installed updates. Uninstall the last update. Restart your device and observe if the issue will persists.

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I wasn't able to uninstall all updates that came down on 3/13, one of them didn't provide the "uninstall" option (KB4090914).  So instead I reset the PC, but chose to keep my files and programs.  This seems to have resolved the issue, even after I re-downloaded the updates.

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Last updated August 10, 2021 Views 286 Applies to: