This message shows up when you try to write a new e-mail out of your act contact „Object reference not set to an instance of an object“.
There could be a few Reasons for this and also a few ways to fix it.
But the Reson i see the most ist that the Redamption.dll won´t work with office anymore.
If you follow this steps it should be work again:
1. open the comand prompt. (just press the windows button on your keyboard and type „cmd“ than it should show you the cmd.exe)
2. now you have to enter the following comand based on your windows and act version and press enter:
Act Pro or Act! Premium: cd C:\Program Files\ACT\Act for Windows
Act! Premium (access via web): cd C:\Program Files\ACT\Act for Web
Act! Pro or Act! Premium: cd C:\Program Files (x86)\ACT\Act for Windows
Act! Premium (access via web): cd C:\Program Files (x86)\ACT\Act for Web
3. after this enter the following command „regsvr32 redemption.dll“ and press enter.
4. if a window appears just press ok. and lunch your act again and give it a try.
I hope this steps could help you with this Problem.