AVG deleted program, now I cannot reinstall program at all

Avg saw an update for a program I used as a virus, had no choice but to click 'remove' (no allow option) and now after trying to restore the update from the AVG virus vault, the program it deleted will now not install at all. The program is called Discord and I have never had any problems at all. Please help, I need this program as I talk to clients through it. 
 
Before I tried reinstalling the update file, I looked around to see if Discord was still on my PC and it had been removed and deleted completely. I then went to the Virus Vault and restored the update file, still nothing happened. I need this program back on my PC, but after this issue with AVG, whenever Dsicord tries to install it comes up saying there are a bunch of errors, to check the setup logs and then contact the distributor (which I have done). 

Please help!

Hello Emily,
We regret for the inconvenience caused. Could you please let us know the exact AVG program installed on your PC and still could you able to locate the files of the program on your virus vault?
Thank you.

Hello Emily,
We regret for the inconvenience caused. Could you please let us know the exact AVG program installed on your PC and still could you able to locate the files of the program on your virus vault?
Thank you.