The owner has unlisted this package. This could mean that the package is deprecated or shouldn't be used anymore.
Install-Package MainSoftLib.Captcha -Version 1.0.4
dotnet add package MainSoftLib.Captcha --version 1.0.4
<PackageReference Include="MainSoftLib.Captcha" Version="1.0.4" />
For projects that support PackageReference, copy this XML node into the project file to reference the package.
paket add MainSoftLib.Captcha --version 1.0.4
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This package has no dependencies.
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