KB4505051 updates Windows 10 Initial version to Build 10240.18218

Amidst several cumulative updates for Windows 10 different versions, there appears KB4505051 patch update. This came for the initial version of Windows 10 July 2015 and enhances its build to 10240.18218.

19th May 2019 Patch day rolls different cumulative updates like- KB4505055, KB4505056, KB4505057, KB4505062, KB4505052 and others. The sole role of all these releases is to fix the access of gov.uk domain bearing websites through HSTS on IE 11 or Edge web-browsers.


Key Changes and fixes

The prime fixes on KB4505051 are as follow-

  1. They resolve a prolonged issue that restricts accessing gov.uk websites which don’t support the new HSTS policy. You will tackle this bug only if you are browsing such webpages on either Microsoft Edge or Internet Explorer 11.

KB4505051 – Known Issues

Symptom Workaround

If you try renaming certain files or folders on a cluster shared volume, it may fail to display an error.


This situation arises only if you are using a local account instead of an Administrator and perform such requests on a CSV owner mode.

There are two ways to work upon on this bug, and they are-

  1. Sign in as Admin then only implement these functions.
  2. Execute such operations using a node that doesn’t involve CSV ownership.

Their team is already working on this and if found, brings the same in an upcoming release.

How to get this Update

They will offer SSU (KB4498353) directly for your PC through the Windows update section. In case, you don’t find the same you can locate this by searching its initials on Microsoft Update Catalogue.

If you want to install KB4505051 manually on your System, perform below steps-

  1. In the beginning, press Win+I to cite the Settings app.
  2. Henceforth, tap Update & Security followed by Windows Update option on the left column.
  3. Subsequently, hit Check for updates button.

If available, download and install the same on your Windows 10 device.

You can download the standalone package.