There is an issue usually occurs when you perform some operations that are related to the taskbar or to the Address bar such as pinning or unpinning icons or dragging links to the taskbar.
Microsoft has released a update to fix the Explorer crash on both Windows 7 or Windows Server 2008 R2 platforms.
<
p>Refer MSFT article Windows Explorer may crash in Windows 7 or in Windows Server 2008 R2 for the hotfix.
