To fix the upgrade stuck issue, you can try the built-in troubleshoot tool or other methods in the following. Why is Windows Update stuck at 99 or 0? There are many reasons, such as, outdate, corrupted, or missing drivers, Windows 7 pending update, hardware issues etc. Don't wait forever and take some measures to fix the update issue. If the process takes too long, your update may be stuck.

If your computer is instlled on HDD, the update process will take longer, may be 90 minitues, or 24 hours. By default, if you use a SSD on the computer, the update should take between 10 and 30 minutes. But you may find Windows Update stuck downloading updates and get stuck at some point.Īfter the Windows Update downloads updates, Windows will install the ones it can, and save others to install when you restart your computer. The Windows Update will automatically download the latest available updates for your computer. Thus, there are 3 situations you will receive this error.ĭuring the downloading and installing process, you may find it suddenly stuck with error code, such as, 0, 3, 35, 48, 81, 99, etc. However, you still need to upgrade drivers, service packs on Windows 10 with Windows Update. The most important part is to fix Window 10 update stuck with the given solutions below.

Windows 7 update stuck at 99