Recently after window 10 update, Firebird will remove by system.
If Firebird Server removed.
Error Occurs as below.
Setup file may need to install back
Step 1 - Reinstall Firebird Setup.
Step 2 – Install QnE Security.
Double Click installsecurity.exe (both install qnesecurity.exe and install security are same)
Either one will do.
After Successfully Security.
Double Click UDF Folder.
Copy the QnEFuncs.dll to
C:\Program Files (x86)\Firebird\Firebird_1_5\UDF
Finish, now try open Delphi again.