I am getting a instsvc.exe error on firebird database DWQA Questions › Category: Questions › I am getting a instsvc.exe error on firebird database 0 Vote Up Vote Down Paul Staff asked 4 months ago 1 Answers 0 Vote Up Vote Down Paul Staff answered 4 months ago Goto C/Drive then at top click View and check box for hidden items. In program data delete firebird folder. Also delete firebird folders from program files and program files86 Now you can reinstall firebird