Can not load default MySQL library ("libmysql.dll" or "libmysql.dll"). Check you lazarus / 16-Databases ---------------------------------------------------------------------- Packs · 2023-10-25 08:19 when I try to connect at design time . I am getting following error message . Can not load default MySQL library ("libmysql.dll" or "libmysql.dll"). Check your installation. I am using TSQLTransaction componet. it is working perfectly in runtime . ---------------------------------------------------------------------- Packs · 2023-10-25 08:28 it is solved . I have copied dll inside windows\system32 folder ---------------------------------------------------------------------- Zvoni · 2023-10-25 09:16 Quote from: Prakash on October 25, 2023, 10:28:50 amit is solved . I have copied dll inside windows\system32 folder Bleh! It's simple: If you want to connect during design-time, you need the dll in the same folder as the Lazarus.exe