In this case, your download or installation progress bar is frozen at some point and it’s not moving forward. How to fix a stuck Windows 10 update Situation 1: You’re stuck with the Windows update progress bar You will need to connect to the internet either via an ethernet cable to the modem/router, or simply by putting a new wifi card in your computer. The update might then simply go through, but if it doesn’t – that could be because your computer needs to be connected to the internet to download a part of the update. Try the solutions below first, but if all else fails, you might have to physically remove your wifi card from the computer. If you’re currently getting your update stuck at 81%, the issue might be compatibility of the newest Windows versions (1803 / 1709) with an old wifi card you have on your computer.