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== Windows 7 Service Pack 1 Won't Install ==From Windows Update some users report a problem installing SP1. One common error is "Windows Update error 800B0100." This is often due to the downloaded installer in cache becoming corrupted. The next thing users attempt to do is grab the so called "network install" file which is the full install file as opposed to doing an "online install". The full install file is meant for system administrators to use on removable media or for multiple machine deployment. It is actually the best way to install a service pack, having the full file in hand. However, Microsoft has made it incredibly confusing locating the full network install for Windows 7 SP1 because of their dopey naming convention (or lack thereof) and poorly named debug files. To download the stand-alone Service Pack 1 for Windows 7, go to [https://technet.microsoft.com/en-us/windows/gg635126.aspx Service Pack 1 for Windows Server 2008 R2 and Windows 7].There are many files to choose from. The first file on the list is the .ISO (DVD image) of the Service Pack containing three different versions of the full installer. The three versions (IA, x64, x86) are meant for three different processor / architecture types. This ISO is for burning to a DVD disc. The installer auto-detects the architecture.The large array of files with the word "Symbols" in the name you should not use. They are debug files and language pack files. The naming of all of these files is extremely confusing to anyone not working for Microsoft.The final three files in the list happen to be the ones rolled up in the a fore mentioned ISO file. are the Service Pack itself - three versions for the three different architectures - IA64 for Itanium processors, X64 for 64-bit Windows 7 and x86 for 32-bit Windows 7.Windows 6.1 is Windows 7. 6.1 is the Windows version number while Windows 7 is just a marketing name. If you don't have SP1 installed your Windows is Version 6.1 Build 7600. After SP1 it'll be Version 6.1 Build 7601. From a Command Prompt type in winver and see what it says... Rather confusing isn't it?