Unexpected Kernel Mode Trap Acronis 2021 and Acronis Cyber Protect
In January this year (2023) one of the W11 desktop PCs that I have Acronis 2021 installed on started throwing up the Unexpected Kernel Mode Error blue screen whenever I tried to start a backup - the others are fine, and I don't have this issue with any other software. I have found a large number of web pages describing the error and possible causes, but few if any point in a clear direction to solve it. I have tried upgrading to the latest Acronis Cyber Protect, but no improvement. I have made an Acronis System report but really don't know where to go from here. Even if Acronis 2021 is no longer supported as the website seems to indicate, there isn't any point in upgrading if the same problem is going to arise, as seems to be the case. A pointer to a useful faultfinding chart would be appreciated.


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Hello Robert!
I am sorry to hear about the issue.
Did you changed something on that machine? As a new A.Virus for example? If yes, please exclude the agent services/executables : https://kb.acronis.com/content/36429
I checked our records and that issue was just reported 1 time this year, so there isn't any ongoing issue with the product.
If the issue persists, that requires an investigation with our R&D and a ticket is needed.
Thanks!
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