Scenario 

Recently after window 10 update, Firebird will remove by system.

If Firebird Server removed.

Error Occurs as below.

Solution 

Setup file may need to install back

Firebird: https://drive.google.com/open?id=1H35wgWgKji13YDqJ0I9_VSjVEE4tmIWF

QnE Security: https://drive.google.com/open?id=1gsCivxWyKiOi9_tbSfko7YVGLH5sHI8l

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.