Fix #2: Running Windows Update Troubleshooter However, if the progress does not change over a day, there could be an issue that needs checking out. Windows updates tend to be large sometimes, thus taking longer to install.
The issue might resolve itself if a little patience is exercised.
But sometimes, an update might just be stuck at 0% for a long time (like for an hour or two), then suddenly jump to a higher percentage by itself. This is a simple fix, yet very difficult for many people. Whatever case it is, the next time encounter the Windows update stuck at 0% issue midway, refer to this guide for help. Only your system and hardware are evaluated.