I know what you mean, Jennifer Hales voice acting is the reason why I almost always play a FemShep.
You should not be afraid to install a DLC again, normally they don't make problems.
Download "Shadow Broker" from here and put the installer into the ME2 Game directory. (>drive<:\Program Files (x86)\Origin Games\Mass Effect 2 or >drive<::\Program Files (x86)\Steam\steamapps\common\Mass Effect 2)
Then run the installer as Administrator. (right click the exe > Run as Administrator)
As by all other program installations, you should close all not necessary background programs (especially of course Origin/Steam and the game) and disable the real time scanner of your Anti-virus software for the installation process.
I think, I`ll play ME2 through as it is right now `cause dear! this game is a treasure and probably will download Shadow later on.
But thank you for your help and advice, they`re very much appreciated 🙂
