Windows 10 Upgrade Is Stuck at 31%

I am trying to upgrade from Windows 7 Pro to Windows 10 (yes, I know it is pretty late to do it, but I had my reasons - most of them are related to laziness). So I have found many sites claiming that the upgrade is still officially available from Microsoft, although they do not publish it too much. I have downloaded the Windows 10 installation tool from here , hit the "Upgrade this PC now" button and waited. At some point, the setup finally started to work with nice percentage, but it was stuck at 31% for more than 2 hours.

What I have already tried to do - with no luck, still hangs at 31%:

  • Restart of setup
  • Restart of the PC
  • Disconnected external USB drive
  • Disconnected the second monitor
  • Disconnected all USB devices (keyboard, mouse)

The question is - where should I look to solve this problem? Maybe the upgrade process has some kind of trace/log file?

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2 Answers

Finally got it resolved. The log file is here c:\$Windows.~BT\Sources\Panther\setupact.log

The last line in this log was about Conexant Audio driver.

Info                  MIG    AddDriverFiles: Processing device: 4d36e96c-e325-11ce-bfc1-08002be10318
Info                  MIG    AddDriverFiles: Processing driver: Conexant SmartAudio HD, Conexant, Conexant
Info                  MIG    AddInfAndCatalog: Adding catalog file: C:\Windows\system32\catroot\{f750e6c3-38ee-11d1-85e5-00c04fc295ee}\oem55.cat

I have fully uninstalled it, rerun the upgrade and it finished without any problems.

More to read:

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So - this is kind of interesting. Today, I decided to upgrade to Windows 11 (even though my laptop from 2016 has a CPU that falls just outside the approved window - haha). And I got stuck at exactly 31% in the update process, which prompted me to google the issue which quickly led me here. And even if the thread here was for a Windows 10 upgrade (from Windows 7), I figured it couldn't hurt to try the proposed solution.

I cancelled the upgrade, uninstalled both Conexant drivers (for speakers and micropone), and restarted the upgrade process. And YES - it worked perfectly. No more being stuck - it chewed right through the upgrade, and now I'm on Windows 11!

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David Miller

David Miller

Executive Financial & Market Analyst

David Miller brings 15 years of experience in global economics, personal finance strategy, and market dynamics. He specializes in turning complex economic trends into actionable insights for everyday readers.

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