I was able to solve it on a 2016 Lenovo laptop by disabling antivirus until next reboot and pointing my DNSs to Google Ones.
Hope this helps someone else as well.
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I've disabled the defender and other software for malware and virus protection and tried moving the executable to desktop and then launching it. I don't have an idea whats wrong with it! Any help is much appreciated.
[Moved from: Windows / Windows 8.1 / Windows update, recovery, & backup]
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I was able to solve it on a 2016 Lenovo laptop by disabling antivirus until next reboot and pointing my DNSs to Google Ones.
Hope this helps someone else as well.
The key with Macrium is it repairs the boot system on your main drive (C: drive).
This then allowed the media creation tool to work again on my PC.
I suspect a windows upgrade incorrectly modified the boot file - not enough to prevent windows booting but enough to confuse the media creation tool.
My theory only here.
Still waiting for someone else to try and repair the boot system on their machine and verify this was indeed the problem. Or is the tool working for everyone now due to a Microsoft fix on the tool???
Looks like an issue with the media creation tool.
I finally contacted customer support & they got the ISO file downloaded. The customer care executive got the ISO the same way as it is given in the link below.
Even though there was Chrome & Edge, he used internet explorer to do it.
The best part was I just described the issue as "Media creation tool error" & once remote access was granted he just ran the SFC /scannow command.
When that came out ok, He just went about downloading the ISO. Looks like a lot of people are having this issue it seems.
Only thing is that the ISO has all the versions so it is more than 4GB.
Change the browser user agent string to iPad (Safari) and you'll get the direct download ISO links. More info @
Get Windows 10 Official ISO Images Using MCT or Direct Download
Error Code: 0x80072f76 0x20017
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