Windows Update
A failed Windows Update usually needs diagnosis rather than repeated clicking. The cause may be low storage, a damaged update cache, a service problem, incompatible drivers, or corrupted system files.
Quick answer
Start by recording the error code, confirming free space and a stable connection, then run the built-in troubleshooter and repair system files. Avoid resetting Windows until you know whether the failure is repeatable and your files are backed up.
Why it happens
Updates can fail when Windows cannot download, stage, verify, or install a package. A single error code is more useful than a generic retry because it tells you which stage needs attention.
Step by step
Safety note
Protect important files before resets, driver removal, account changes, or recovery operations. If the symptom points to hardware, repeated software changes can make diagnosis harder.
Retry once after checking storage, connectivity, and system health. Repeated retries rarely fix a consistent error and can hide the useful error code.
Not as a first step. Repair the update path and protect your files first; reset or reinstall decisions belong later in recovery troubleshooting.