What do I do About this? Could not resolve mscorlib for target framework '.NETFramework,Version=v4.0'.

Roger Singer 0 Reputation points
2024-04-17T20:37:04.4833333+00:00

Designer will not display Form 1.

Microsoft Copilot for Microsoft 365 Development
Microsoft Copilot for Microsoft 365 Development
Microsoft Copilot for Microsoft 365: Microsoft 365 Copilot refers collectively to Copilot experiences within Microsoft 365 applications.Development: The process of researching, productizing, and refining new or existing technologies.
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  1. Michael Taylor 48,311 Reputation points
    2024-04-17T20:59:48.5+00:00

    We need more information. What designer are you talking about? Is this a winforms app you're loading in Visual Studio? If so then what version of Visual Studio? Sounds like you have a bad runtime version selected but just a guess based on the header.

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