Windows system KB2686509 patch installation failure solution (detailed)

Microsoft just released KB2686509 Many people on the Internet can not install this patch. They also encountered the same problem, did not find a solution to solve their own problems, the installation process for your reference Patch KB2686509 download address: http://download.microsoft.com/download/3/A/D/3AD7E03E-6300-49CB-AEE6-F14EC3D5B0D9/WindowsXP-KB2686509-x86-CHS.exe Patch installation failure only prompts recorded in Windos folder KB2686509.log inside, but this does not help us. The faultykeyboard.log in the windos folder is what we want to query. The patch installation is not a streamlined version of the system lacking multi-language DLL files The most critical thing is to find The faultykeyboard.log in the C:\\WINDOWS folder records the missing files in this text. This text is not all the missing files, but the files are needed in turn. After the installation fails, we open the text to record the missing files. Download the missing DLL file online, put it in the C:\\WINDOWS\\system32 folder, and then install the patch again (note the installation) Ding off the faultykeyboard.log text before), most of them will also prompt failure, it does not matter that we open the faultykeyboard.log inside the new missing DLL file, we continue to download the missing files online, or save to C:\\WINDOWS\\system32 Inside the folder, install the patch again, until we can install the patch, I wish you a successful patch.