cannot load vendor library libmysql.dll or libmysqld.dll

Question

I want to use MYSQL in delphi xe10 with fireDAC. So, FDConnection on the form, then input basic information about my mysql db.

But when I try to connect, there is an

Answer 1

I'm the author of that post.

If your IDE appears to vanish from time to time, with out warning or error message, it could be caused by placing that dll in your bin directory. Placing items there appears to trip part of the copy-protection mechanism in the IDE.

I work as technical support to the sales team at Embarcadero, and I can't count the number of times a customer has encountered this IDE vanishing problem, and it turned out a third-party component was installed in the bin directory. (May have been resolved since I posted that, but remains true for older versions at least)