How to Edit Import Table For DLL Hook

[KaMaN99]

i try to use for a packed software

software used FlexLM packed dll file

when i patch dll file, software no run

also when i used loader or PYG and ByMax dll loader software detect it and close!


finally, i want to use dll injection to another loaded dll to test this method 

if you know another method to guide me, please help me

i tested Study PE method to include dll for some target. after injection, software no run

maybe i go to wrong why

have you any video tutorial?