Resolved: Windows Update KB4579311 crashes Explorer repeatedly when trying to log in

Last Updated on May 3, 2021



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Windows 10 users are experiencing numerous problems installing the latest KB4579311 cumulative update, and those who manage to install it are reporting various bugs, including performance issues.

Microsoft released the Windows 10 cumulative update KB4579311 on Oct. 13, 2020, and since then users have been reporting problems installing the update, crashes, performance issues, and startup problems.

Because of the different hardware and drivers that Windows 10 runs on, there will always be issues when a new cumulative update is released, but the reports seem to increase with this particular update.

Nevertheless, I have installed update KB4579311 on many computers, and only one of them experienced the Explorer crash I described.

As you know, Windows 10 updates, while necessary, tend to cause various problems, but users certainly did not expect the many errors they encountered after installing update KB4579311 (applicable to version 2004).

What causes Explorer to crash repeatedly when trying to connect to the Windows update KB4579311

Your system explorer may crash if conflicting applications (such as Halo Master Chief Collection) interfere with your explorer. Alternatively, this error may be caused by a corrupt user profile on your system.

The user encounters the problem (after a Windows update) when trying to log in, but Explorer crashes several times (or the launcher bar turns on or off and the desktop goes black) and then finally allows the user to log in.

Before proceeding with the solutions, keep in mind that you may have to try these solutions in safe mode if you cannot use the system due to the Explorer crash. However, some users have reported that after waiting 6-10 minutes after starting the system in normal mode, the system starts behaving normally.

To solve the problem in which KB4579311 crashes Explorer repeatedly when you try to log in to the system during a Windows update



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Delete erroneous update

  1. On the Preferences menu, go to Updates and security.
  2. Select the Update Windows, Suspend Update for 7 days option.
  3. Then open the Control Panel.
  4. Navigate to Programs and Features and View Installed Updates.
  5. Right-click on KB4579311 and select Uninstall.

Alternatively, you can perform a system restore and select a restore point from among those that existed before KB4579311 was installed.

Uninstalling conflicting applications

In a Windows environment, system applications/modules coexist and share system resources. Explorer may crash if any of the applications installed on your system interferes with the operation of Explorer. In this case, uninstalling the conflicting applications can solve the problem.

  1. Press the Windows key and open Settings. Then select Apps.
  2. Now click the Uninstall button and confirm the uninstallation of the application.
  3. Now repeat the process of uninstalling other conflicting apps and then restart your PC.
  4. After rebooting, check if the problem with Explorer is resolved.

Update your Windows system to the latest version

Microsoft always updates Windows, adding new features and fixing known bugs, such as those that caused the problem in Explorer. In this case, updating the version of Windows on your computer to the latest version may solve the problem.

  1. Manually update the Windows version of your system to the latest version of Windows.
  2. Make sure that no additional/additional updates are expected.
  3. Then check if the explorer problem is resolved.



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Frequently Asked Questions

  1. Update your system.
  2. Delete Windows Explorer history on your computer.
  3. Run the Windows Explorer folder in a separate process.
  4. Disable any antivirus programs that may be running on your computer.
  5. Remove access menu items.
  6. Repair damaged files and disks.
  7. Disable third-party extensions.

  1. From the Preferences menu, go to Updates and security.
  2. Select the Update Windows, Suspend update for 7 days option.
  3. Then open the Control Panel.
  4. Navigate to Programs and Features and View Installed Updates.
  5. Right-click KB4579311 and select Uninstall.

There are several factors that can cause the "File Explorer keeps crashing" problem, including Incorrect system settings. Incompatible third-party software. Permission issues.

Explorer crashes can be caused by trying to open files to create thumbnails, especially for videos. If you don't need thumbnails, you can avoid the crash. If you are still having trouble opening photo or video folders, right-click on the folder and choose Properties from the menu.