Microsoft office issue

I have had to delete Ccleaner. I bought 2 applications of it.

First, the Ccleaner Pro, then Ccleaner technician edition.

Despite unchecking the boxes for deletion of dll, I find that Office 2016 and Office 2019 will not start after use of Ccleaner.

I have to go on Win 10 control panel, check the repair function for Office and do the full, online download of Office again.

The quick repair doesn't fix it.

I reckon Ccleaner is deleting a required dll. I haven't found anything to stop it doing this.

They've been investigating the issue with Microsoft Office for awhile now. Here's a post about it with an official statement acknowledging they are still investigating the issue.

An issue?

The fact is that they've sold me something that simply doesn't work. Forum rules prevent me calling it a pile of excrement, POS, as most folks would say.

What is the point of Ccleaner if I can't use it?