Windows 10: update error for Microsoft .NET Framework 4.8 for Windows 8.1 for x64 KB4486105 - Error...

Unable to Install Microsoft .NET Framework 4.8 for Windows 8.1 for x64 KB4486105 - Error Code 80071A90please help!

:)

 

Microsoft .Net Framework update error 0x80070643

Uninstalled Microsoft .Net Frameworks (All) due to some issues. Was finally able to reinstall .Net 1 to 3.5. Nothing above that will install. I tried NetFxRepairTool, , dotNetFx40_Full_setup, vs_community****.1509654832, and QuickBooksDesktopInstallDiagnosticTool.
Nothing will get it back. I installed VSCodeUserSetup-x64-1.30.2, but that didn't add them.

Here's the kicker. netfx_setupverifier says I only have 1 to 3.5 installed.

NDP4#(#)-KB3045557-x86-x64-AllOS-ENU says they're all already installed:

• .NET Framework 4.#(#) or a later update is already installed on this computer.

AspNetMVC3, AspNetMVC4, AspNetWebFxUpdate_KB2992080 and AspNetWebFxUpdate_KB2994397 say the following:

• Error writing to file: System.Web.Mvc.dll. Verify that you have access to that directory.
• On Retry: The installer has encountered an unexpected error installing this package. This may indicate a problem with this package. The error code is 2350.

(What directory is that?)

Windows update throws an error for:

• Security Update for Microsoft ASP.NET MVC 3 (KB2993937) - Error 0x80070643
• Security Update for Microsoft ASP.NET MVC 4.0 (KB2993928) - Error 0x80070643
• Security Update for Microsoft ASP.NET MVC 5.0 (KB2992080) - Error 0x80070643

(I assume it's because of the MVC error above.)

Reformatting my computer is my very last option. Is there a way to force the .Net Framework 4.## to reinstall?

**Original Title**

.Net Framework Hosed

 

.Net Framework Error

First run Windows updates...after there are no more important installs then try .net framework.*Toast :toast:

 

Microsoft .Net Framework

Basically, to sum up what I can tell:
-The application(s) that crashed use .NET Framework 2.0 or 3.5.
-First error is it getting nothing when it expected something (not very telling).
-Second error occured in "System.Data.SQLite" which is not .NET Framework. I repeat, not .NET Framework.
-SQLite is is a GNU licenced, free to use library.
-Any .NET-compiled service or process could be causing the error. If you watch the Task Manager, you might be able to tell which process closes after you click on "Quit."

I suggest you search your computer for sqlite*.dll. Whatever programs it is found in close proximity to are most likely the culprits for the crashes.