Error code 0x800700c1 is usually the result of a connection issue, corrupted data, or a problem with your network. Press the Win + R keys together and enter “services. msc” to open the Services window. Otherwise, you can open them from Task Manager also. Another option is to search “Services” in the Windows Search box. What does this article describe windows update error 0x800700c1? This post is mainly about how to fix the Windows update error 0x800700c1 and related error, windows update errors in windows 10/8 operating system. These steps should help with all errors and not just the ones listed. If you have reached this step and if it is not solved then it will advise you to reset the computer.