The reasons to Completely Disable Internet are varied and many , for example :

1. To prevent programs from calling home or from updating.
2. To prevent your computer from receiving email or social media alerts etc. you could also use it to avoid distractions during work.
3. Disconnecting from the internet can limit the impact of the malware it is a security technique known as an “air gap”. By separating the computer from any network makes it more secure.
4. Internet access can be harmful if employees spend too much time browsing the Internet instead of performing their regular duties…