After upgrading to Windows 8.1 Preview explorer.exe might crash with an error which looks similar to this:
Faulting application name: explorer.exe, version: 6.3.9431.0, time stamp: 0x51bce434
Faulting module name: dlnashext.dll, version: 12.0.9431.0, time stamp: 0x51bcfb3d
Exception code: 0xc0000005
Fault offset: 0x000000000000d56c
Faulting process id: 0x180c
Faulting application start time: 0x01ce730758420ce9
Faulting application path: C:\WINDOWS\explorer.exe
Faulting module path: C:\Windows\System32\dlnashext.dll
Report Id: a1195f3d-defd-11e2-bea5-f4b7e2e6b5f6
You can disable the DLNA Shell Extension to prevent this from happening. Copy and past the following information into a text file and save it as a .reg file (.e.g “import.reg”).
Windows Registry Editor Version 5.00
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Shell Extensions\Blocked]
"{289AF617-1CC3-42A6-926C-E6A863F0E3BA}"=""
Restart Explorer.exe or your machine afterwards.
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