File Permission Errors With VBA Assisted Mail Merge / Excel VBA Userform Access

Excel userform (uf4_works) with 24 toggle buttons (tglb_xxx_xxxx where xxx_xxxx is variable based on selection) allowing user to select any number of reports for creation (via Word mail merge) or viewing (previously created)
Here is code from one of the 24 button presses.

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Here is the 'button_check' routine

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Once the user has selected the report(s) they wish to create they can proceed with the creation of the mail merge document creation process by pressing a button on the userform ([PROCEED]) toi launch the code which processes the selections and prepares them for the merge process. Here is that code (greatly editted to exclude the repetitiveness of 24 reports, I have shown only one of those 24)

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... to reduce the length of the post, it's continued in the next reply.

Continued from first post ...

Here is the code that that launches the mail merge routine ...

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So, that's the lead in to the problem.

This for the most part works wonderfully. The selection of the reports, the setup for their creation, and the mail merge process are working well. When the mail merge is complete, the report is saved, and Word closes for that instance before being reopened upon the creation of the next report. And so that routine continues as long as reports are being created from the cue. These newly created files are saved, and following saving, at any point thereafter, thehose mail merge documents can be opened and edited, and then saved wihoout any error. I had been d=getting file permission errors when I corrected my mistake of not quiting objWord and setting it to nothing after the completion of each report creation. Back on the userform though the button state for the selected and recently created report is TRUE with formatting indicating file creation in progress. In an effort to reset the button to a FALSE state and change it's formatting to reflect on the report having been successfully created and saved, i included the line in orange.

This line effectively resets the button, but, after doing so, that file becomes locked again with file permission conflicts whenever that file is edited thereafter and attempted to be saved. So, if it don't do a 'button_check' to reset the button to the preferred state, the created file is not read only (locked) and can be edited and easily saved. With button check executed, those same files become read only (locked) and I can't save any edits regardless how the file was accessed.

This is one of the last remaining "significant" hurdles remaining in a 4 year project. I would be greatly indebted to anyone that can help solve the problem. I figure since it took me more than an hour to post this, the solution will likely be super simple! But however simple it is, it's not that simple for me to figure out. I need your help!

Even with button_check out of the picture I get errors.
I don't know whats going on. Sometimes I get errors, sometimes I don't. I have a hard to recreating the scenario, I don't know at what point the file is being "locked". I may have to take this to a paid solution.

Further testing.
Created all reports (mail merge docs). No Word instances open or visible.
Closed up Excel.
None of the 8 reports the Excel app created can be saved after opening, even if there were no changes.
"Word cannot complete the save due to a file permission error."

And, I have just realized that this problem isn't just exclusive to the reports created by this Excel VBA driven mail merge.
Other totally unassociated .docx files on that drive cannot be saved after opening due to file permission errors.