My WordPress Plugins aren’t installing and I keep getting error messages (I can’t create my website effectively)

Hello,

It seems like I keep getting the same error message: “One of the plugins is invalid”.  I think these are WordPress plugins.  I can understand maybe plugins from another web developing company having issues, but why are WordPress plugins not working either?  I have updated to the latest version of WordPress as they recommended.  I don’t understand what I’m doing wrong or why I keep having this issue.  It did the same thing to me with DiBlog as well. 🙁

Here’s a screenshot:

It’s just frustrating because I’ve spent days trying to learn how to create my new website and I can’t even get the plugins installed correctly.  It’s all just been very frustrating. 🙁