Windows update stuck at 27 is a very common issue nowadays.
What to do when you meet this annoying issue?
This post fromMiniToolintroduces some useful solutions for you to deal with this issue effectively.

Now, keep on your reading.
Windows 10 is the latest Windows operating system and many people choose to use it.
However, its not perfect.

Today, we are talking about another issue Windows 10 setup stuck at 27.
Now your PC will restart in Safe Mode.
Thus, it’s crucial that you turn off Windows Defender Firewall and third-party antivirus software.
Now, lets see how to turn off Windows Defender Firewall.
Step 1:Open theRunapplication on Windows and inputfirewall.cpl, then clickOKto openWindows Defender Firewall.
Step 2:ClickTurn Windows Defender Firewall on or offto open theCustomize parameters.
Step 3:Choose both theTurn off Windows Defender Firewall(not recommended)options and press theOKbutton.
Fix 2: Free up Space
Windows updates could use a lot of disk space.
Here is how to do it:
Step 1:Search forControl Panelin theSearchbox.
Click thePrograms and Featuressection.
Step 2:Right-nudge the program that you want to uninstall to selectUninstall.
Then follow the on-screen instructions to uninstall the program to get more space.
This could help free up lots of space if you have many unused programs on your system.
Then, check to see if the Windows update stuck at 27 issue has been fixed.
you’re able to refer to the step-by-step guide.
Step 1:Press theWindowskey andIkey together to open theSettingsapplication.
Step 2:Then go to theTroubleshoottab and chooseWindows Update.
Step 3:ClickRun the troubleshooterto continue.
Then the Windows Update Troubleshooter will start detecting problems.
It may take some time.
Step 4:Then clickApply this fix.
Here is how to do that:
Step 1:Enter WinRE.
Step 2:You should clickTroubleshootinChoose an option, and then chooseAdvanced options.
Step 3:ChooseSystem RestoreinAdvanced options.
Now, have a go at run Windows update and the issue should be fixed.
If you come across the same issue, try these solutions.