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Microsoft has detailed an app that's preventing Windows 10 upgrades

Windows Update
Windows Update (Image credit: Windows Central)

What you need to know

  • Those with the app CryptoPro CSP can't upgrade to Windows 10.
  • Microsoft has addressed the issue and provided a workaround.

If you happen to have an older version of the app омпаниякриптопр риптопроcsp (CryptoPro CSP, for those of you not familiar with омпаниякриптопр риптопроcsp) lying around and can't upgrade to Windows 10, Microsoft has addressed the issue as well as included steps for how you can get the second-most-recent iteration of Windows.

For a quick primer on what омпаниякриптопр риптопроcsp/CryptoPro CSP is, it's "a cryptographic software package which implements the Russian cryptographic algorithms developed in accordance with the Microsoft - Cryptographic Service Provider (CSP) interface." That's how it's described on the software's website.

As for how it affects Windows 10 upgrades, Microsoft outlines the scenario in its support post (opens in new tab) on the subject (via BleepingComputer): "A compatibility issue has been found between older versions of омпаниякриптопр риптопроcsp and Windows 10, version 20H1 or Windows 10, version 2004. If an incompatible version of омпаниякриптопр риптопроcsp is installed, your device might start to update to a later version of Windows 10 but might roll back to a previously installed version."

The fix Microsoft advises is simple enough: Grab an updated version of омпаниякриптопр риптопроcsp and you'll be fine to upgrade to Windows 10 20H1 and Windows 10 version 2004. The company also advises waiting up to 48 hours after you've updated your version of омпаниякриптопр риптопроcsp to see the Windows 10 upgrade offered, as it may take that amount of time for said offer to appear.

And in case you're not worried about upgrading to Windows 10 but, rather, are concerned with upgrading to Windows 11, here's the scoop: Microsoft's just revised its PC Health Check app to better inform you of what is stopping you from upgrading (or if anything is stopping you at all), as well as admitted that you don't need to meet W11's requirements to get the OS.

Robert Carnevale is the News Editor for Windows Central. He's a big fan of Kinect (it lives on in his heart), Sonic the Hedgehog, and the legendary intersection of those two titans, Sonic Free Riders. He is the author of Cold War 2395. Have a useful tip? Send it to robert.carnevale@futurenet.com.

6 Comments
  • Don't know what you wrote in Russian, but definitely not the name of the software. It's just КриптоПро CSP.
  • Jebuz. If ever an OS needed app sandboxing and containerization...
  • I'm sure Russian apps are safe with no malware at all....
  • > The fix Microsoft advises is simple enough: Grab an updated version of омпаниякриптопр риптопроcsp and you'll be fine to upgrade Yeah, great advice. How about stop using shady russian software for shady stuff? I promise Windows will works as intended and your life will be simpler too.
  • The problem when you have a company the size of Microsoft is that even pretty niche audiences are huge in objective terms. Sketchballs using shady Russian crap is probably a million dollar plus vertical for Microsoft.
  • Cool. Now it's my turn. Time to find out why my PC stuck in a neverending memory leak during the upgrade, no matter if Windows Update, Update Assistant, ISO or whathavewe. I'm pretty sure there will be quite some people stuck on 1909.