Microsoft has officially released the real “final” update for Windows 7 and Windows Server 2008 R2, a hotfix update to fix a bug that was introduced by the otherwise supposedly the “final” Monthly Rollup update KB4534310, where the desktop background wallpaper turns to appear as black after restarting the PC when its fit is set to “stretch”.

The last free Monthly Rollup update KB4534310 which includes the quality updates and security updates for Windows 7 and Windows Server 2008 R2 was supposed to be the final update available for Windows 7 for free as Windows 7 and Windows Server 2008 R2 reached end of life, except to corporations or users who purchased Extended Security Update (ESU) licenses. With the introduction of bug, KB4539602 standalone update package is released as last free update to fix the bug.

The changelog of KB4539602 is simple and straight to the point:

  • Addresses an issue that might cause your wallpaper that is set to Stretch to display as black.

You must have the following updates installed before you apply this update. If you use Windows Update, these updates will be offered automatically as needed.

  • The SHA-2 update (KB4474419) that is dated September 23, 2019 or a later SHA-2 update installed and then restart your device before you apply this update.
  • The servicing stack update (SSU) (KB4490628) that is dated March 12, 2019 or a later SSU update installed.

KB4539602 update package is delivered automatically via Windows Update, or you can download the standalone update package via Microsoft Update Catalog website.

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