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.NET 4.8 clr.dll failing for some applications

Question
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Since the Windows 10 19003 update I have an issue with certain applications launching. The following is one example of the issue:
Source: .NET Runtime Application: PaintDotNet.exe Description: The process was terminated due to an internal error in the .NET Runtime at IP 00007FFEF925F9D0 (00007FFEF9160000) with exit code 80131506.
and
Source: Application Error Faulting application name: PaintDotNet.exe, version: 4.200.7133.32960 Faulting module name: clr.dll, version: 4.8.3815.0 Exception code: 0xc0000005
I've tried uninstalling and reinstalling just about everything I can think of other than .NET 4.8 which I can't seem to find a great way to currently do. I've also tried running the System File Checker where my scan came back with the following:
Windows Resource Protection found corrupt files but was unable to fix some of them. For online repairs, details are included in the CBS log file located at windir\Logs\CBS\CBS.log. For example C:\Windows\Logs\CBS\CBS.log. For offline repairs, details are included in the log file provided by the /OFFLOGFILE flag.
I've checked the logfiles and found nothing that seemed helpful. Is there anything else I can do short of reimaging or removing and reapplying the Windows update? Any help would be greatly appreciated.
Tuesday, August 6, 2019 5:27 PM
All replies
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the same version of Paint.NET starts and runs on my Windows 10 1903 system,
.NET 4.8 SDK installed.
So its not a general incompatibility.
Is the latest patch installed?
July 9, 2019-KB4506991 Cumulative Update for .NET Framework 3.5 and 4.8 for Windows 10 Version 1903
- Edited by EckiS Tuesday, August 6, 2019 9:22 PM
Tuesday, August 6, 2019 9:22 PM -
Unfortunately yes I have all the latest patches. It's almost certainly a corrupt .NET 4.8 SDK... only issue is I can't find a great way to uninstall .NET 4.8 at the moment. Any guidance as far as this goes would be greatly appreciated.Wednesday, August 7, 2019 5:27 PM
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how could this get damaged? Other then by malware / 3rd party antivirus or a drive error?
you could try installling / uninstalling the offline installer.
Download .NET Framework 4.8
Wednesday, August 7, 2019 6:53 PM -
Hi,
Since Windows 8, the .NET Framework is an operating system component and cannot be independently uninstalled.
Please refer to the link below to see if any help:
Application Crashes With “Internal Error In The .NET Runtime”
Please Note: Since the website is not hosted by Microsoft, the link may change without notice. Microsoft does not guarantee the accuracy of this information.
Best Regards,
Please remember to mark the replies as answers if they help.
If you have feedback for TechNet Subscriber Support, contact tnmff@microsoft.com.- Proposed as answer by David_Ding2018Microsoft contingent staff Monday, September 9, 2019 3:41 PM
Thursday, August 8, 2019 6:14 PM