where is the windows update log
C:\Users\(username)\AppData\Local\Microsoft\Windows. The Windows update log is in the Windows AppData folder. 1. Step Open the explorer. 2. Step Go to C:\Users\sOliver\AppData\Local\Microsoft\Windows (replace username) 3. Step Open the file WindowsUpdate.log with a text editor for the latest log entries. You might have to unhide folders to actually see the AppData folder in your user folder.