Hello Ansuman,
We apologize for the inconvenience caused. Are you now trying to install your AVG program? Is it a paid or free version? Please provide us a screen-shot (http://avgclick.me/getscreenshot) which will help us in identifying the issue and assist you better. Thank you.
My protection is stuck at 87%
Ansuman, For your info, just in case that you are unaware, you can post the screenshot here in your topic. Click on 'Answer' & then click on the 'Image' [mountain symbol] & follow the instructions.
AVG Guru