Windows 10 Build 10240 Update KB3074681 Causes Explorer Crashes (Changelog & How To Fix)

Another new update for Windows 10 Build 10240 has pushed out from Microsoft to continues fix bugs and issues to the new operating system before the launch date of July 29.

The new update is KB3074678 and KB3074681 which resolves some vulnerabilities in Microsoft Windows. Windows Insider members should be able to download latest update via Windows Update, to update, go to Start > Settings > Update & Security > Windows Update > Check for updates.

Here the details changelog from Microsoft:

KB3074681:

This security update resolves the following vulnerabilities in Microsoft Windows.

• The vulnerability could allow remote code execution if a user opens a specially crafted document or visits an untrusted webpage that contains embedded OpenType fonts.
  To learn more about the vulnerability, see Microsoft Security Bulletin MS15-078.
• The vulnerability impacts Adobe Flash Player in Internet Explorer.
  To learn more about the vulnerability, see Microsoft security advisory 2755801 and Adobe Security bulletin APSB15-18.
• The vulnerability could allow elevation of privilege if the Windows Installer service incorrectly runs custom action scripts.

Additionally, this update includes non–security-related changes to enhance the functionality of Windows 10 through new features and improvements.

However, there is some Windows 10 users report that update KB3074681 may causing issues that result in Explorer crashes. There is two situations causes Explorer crashes. First, Explorer will crash if the Programs and Features Control Panel is used to uninstall or change a program. Second, enable or disable an active network adapter also can causes the crash.

To fix Explorer crashes, in the Programs and features > Uninstall or change a program Control Panel area > choose the program and instead of double-clicking, which usually begins the uninstall process, just click it once and then hit the Uninstall button at the top of the list.
While for the Explorer crash relating to disabling a network adapter, Windows 10 users just follow steps below:

1. Hit the Windows key, type Troubleshooting and click the Troubleshooting icon.
2. Click the View all link from the left of the window.
3. Choose the Network Adapter and then click Next.
4. Re-enable Network Adapter