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EMGU error when trying to install Emgu.CV.runtime.windows VS 2019 winforms, framework 4.8

I am trying to install EMGU using Nuget. I am using Framework 4.8. WinForms. I'm able to install Emgu.CV but when I try installing Emgu.CV.runtime.windows I get an error saying:
"Could not install package 'Emgu.runtime.windows.msvc.rt.x64 19.28.29336'. You are trying to install this package into a project that targets '.NETFramework,Version=v4.8', but the package does not contain any assembly references or content files that are compatible with that framework. For more information, contact the package author.
One solution on stackoverflow (Emgu error when trying to install emgu.CV.runtime.windows in VC# 2017) says that "the solution is migrating from package.config to package references" but it didn't work in my case. When I changed migrating I get an error when installing Emgu.CV too. The error is "Unable to find fallback package folder 'C:\Microsoft\Xamarin\NuGet'."
After these I tried manually installing Emgu.runtime and copying dll files but I got a problem related to cvextern.dll. It says that the file is not accessible. I tried registering it rgsvr32 it didn't work. So working manually didn't help either.
How am I supposed to install EMGU.

.netFramework version is not compatible with the package that you are trying to install.
1-Uninstall the packages completely from your project. 2-downgrade
your project's .netFramework version from Properties of the project
3-Reinstall the packages.

Emgu error when trying to install emgu.CV.runtime.windows in VC# 2017

I'm trying to install emgu.CV.runtime.windows from within Visual Studio 2017, and installing by the recommeded method of right-clicking references and installing via NuGet.
However I am getting the error below.
Could not install package 'Emgu.runtime.windows.msvc.rt.x64 19.28.29336'. You are trying to install this package into a project that targets .NETFramework,Version=v4.7.2, but the package does not contain any assembly references or content files that are compatible with that framework. For more information, contact the package author.
According to the package information, its dependencies are
enter code here.NetStandardVersion=2.0
enter code here.Engu.CV (> 4.5.1 && < 4.5.2)
enter code here.Engu.runtime.windows.msvc.rt.x86 (= 19.28.29336)
enter code here.Engu.runtime.windows.msvc.rt.x64 (= 19.28.29336)
I checked and c:\windows\Microsoft.NET\Framework contains a folder for v2.0.50727, so it seem .net 2.0 is installed (as is v3.0, v3.5, v4.0.30319)
I have emgu.CV 4.5.1.4349 installed.
I need this library so that I can have the enter code herebitmap.ToImage<Bgr, byte>(); function.
Why am I getting this error?
Any help would be greatly appreciated.

The solution is migrating from package.config to package references for every project you have. Simply right click on package.config and click "migrate package.config to PackageReference".
Then, install the runtime package again and it will work.

For the new Emgu Nuget package you do need to use PackageReference instead of the traditional package.config.
What worked for me on Visual Studio 2017:
Uninstall all NuGet Packages [This removes the package.config file]
Go to Tools --> Options --> NuGet Package Manager --> General
Change the default package management format to "PackageReference"
Check "allow format selection on first package install"
Click OK
Install Emgu.CV, Emgu.CV.Bitmap, Emgu.CV.UI and Emgu.CV.runtime.windows
These Emgu packages should now appear under your references and you should not see a package.config file.
Nuget Options Image

I encountered the same error. I don't know why we're getting it, but I was able to find a workaround.
Visit the nuget page for the package.
Click "Download Package" to download the nuget package directly.
Open the downloaded file using your archive utility of choice and navigate to the "\runtimes\win-x64\native" folder.
Copy both dll files into the output directory of your project.
After doing this, my code executed without error. Make sure to install emgu.CV.Bitmap as well.

I changed my projects Target Framework to ".NET Framework 4.6" and then went to "Manage NuGet Packages", selected "Browse", typed in "emgu.cv.runtime" then installed version 4.5.1.4349 and it worked.

Here is how I solved it,
1- downgrade .Net framework to 4.6 from project properties
2- Uninstall Emgu.CV and related ones (you will see which ones needed to be uninstalled in Errors List)
3- Install Emgu.CV.runtime.windows from Solution Nuget Manager ( it should install fine now)
3- upgrade .Net framework to 4.8
4- install Emgu.CV 4.5.1 (latest)
5- install Emgu.CV.UI 4.5.1 (Emgu.CV.Bitmwp was installed automatically for me)
and that's it, now you can use bitmap.ToImage<Bgr,Byte>(), note that the Image<Bgr,byte>(bitmap) doesn't work anymore.

Could not install package xxx due to compatibility issues with .NETFramework

More specific , i am trying to download a nugget package named "PushBulletSharp 3.1.0"
and keep receiving the following :
Could not install package 'PushBulletSharp 3.1.0'. You are trying to
install this package into a project that targets
'.NETFramework,Version=v4.0', but the package does not contain any
assembly references or content files that are compatible with that
framework. For more information, contact the package author.
I have not the permission to upgrade/change my project's NETFramework version , so i have tried everything else that i have found .
I have changed source package folder, config files , all the package versions , i have also tried to install it locally but still nothing . Any ideas ?
I am using the following :
.NETFramework,Version=v4.0
VS 2015
Windows 10

Xamarin cannot install package System.Security.Principal.Windows 4.3.0 MonoAndroid,Version=v7.1

I Have tried install MySql.Data but for each time I have error about the package does not contain any references etc. That same problem I have got when I was trying install updates Xamarin.Android.Support. I changed in project properties Android Version but still not working.

You need to change 'Target Framework' in 'Build -> General' section to at least Android 7.1

Xamarin in Visual Studio cannot add xamarin.forms from Nuget

I downloaded the xamarin.form project from github. But when I build the project it is missing the xamarin.forms package.
I tried adding it with Nuget but got this error:
Installing 'Xamarin.Forms 1.3.3.6323'.
Successfully installed 'Xamarin.Forms 1.3.3.6323'.
Adding 'Xamarin.Forms 1.3.3.6323' to DialogPro.
Uninstalling 'Xamarin.Forms 1.3.3.6323'.
Successfully uninstalled 'Xamarin.Forms 1.3.3.6323'.
Install failed. Rolling back...
Could not install package 'Xamarin.Forms 1.3.3.6323'. You are trying to install this package into a project that targets 'portable- net45+sl50+MonoAndroid10+xamarinios10+MonoTouch10', but the package does not contain any assembly references or content files that are compatible with that framework. For more information, contact the package author.##
How can it fix it? Please help me! Thanks.

It looks like you are targeting the wrong profile. You don't have windows phone but you do have silverlight. Do you need silverlight? I know that it definitely works with Profile 78 or 259. Adjust your targets and then try to add the nuget package again. Unfortunately, this means you probably should re-add all of your nugets for that package since the target changed.
edit:
Here's a good article on some of the xamarin supported profiles: http://danrigby.com/2014/04/16/xamarin-pcl-profile-notes/. I forgot that silver light is included. If you open the project in Xamarin Studio, it actually tells you the profile number. Open the csproj in a text editor and see if the profile number is listed at the top.

It sounds like you are adding Xamarin.Forms to a project that doesn't target any of the required frameworks.
You only need to add Xamarin forms package to your android, iOS, WinPhone and PCL projects.