To make things clear: your images indicate that some addins are not installed, but still are opened (xlstart folder).
An excel addin (xla, xlam) is a workbook with dedicated extension, without window and with possibility to handle two additional events (Install and Uninstall). There are two defaults folders for addins, one for MS and the second for user, however they can be stored anywhere. Registered addins are displayed in the addins box. User can browse computer and add new to the box. The best way, as it has no window, is to allow excel to open addin, this happens when you mark (activate) an addin in the list, it will be open and next time open when excel starts. The opposite happens when you uncheck addin, the workbook is closed.
There are some issues when you work this way: when you delete addin it stays in the list until you mark it and it is not found. You have to be careful with links/references, as it is moved to other location. But there is a big benefit: you get managed extension for excel.
In your case you use addins as regular workbooks. They are opened from xlstart folder, and you have no possibility to close it. Procdb.xla has reference to another addin, expected in xlstart folder and missing. The second addin is a copy of funcres.xla, that normally is in one of excel system directory and can be run when you Activate Analysis Toolpak. This is what I meant by "mess".
I would rather move procdb.xla to users addins, registered it (by browsing for addins), and, deleted all "xla" files from xlstart directory. If necessary, activate this addin together with Analysis Toolpak.
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