Simply click “Change defaults or choose other options.” If you are in an endless reboot loop and you can’t get to the sign in screen, the best approach is to boot into Safe Mode.
How to Resolve the “We Couldn’t Complete the Updates.
Likewise, since some of the files were still downloading, switching the PC off unexpectedly caused the incomplete download. Some users raised the question, “What happens if I force shutdown my computer while updating?” Well, first, the update will not continue, and you risk corrupting some system files. As such, you are most likely going to get the “We couldn’t complete the updates.
Corruption of system files – Like noted earlier, if the system files are corrupted, the installation process won’t proceed as expected.When you have insufficient disk space, the update will not be installed, hence triggering the error message. Lack of sufficient disk space – Usually, you need some free space to allow the installation of the Windows updates.Incomplete download – If the Windows update files did not download properly for whatever reason, then it can lead to the issue.If you are receiving this error message, you must be eager to know what could have triggered it.