If you use Chrome, type this into the address bar:
The answer is this:
Your administrator can change your browser setup remotely. Activity on this device may also be managed outside of Chrome. Learn more
What did this mean?
Management is a feature that lets administrators control Chrome browser settings.
For example, an organization can use policies to set a homepage you can’t change, control whether you can print, or even blacklist specific web addresses.
If your browser is managed, you can see the policies that are set by your organization using this the address bar:
They say: You can then manage 200+ policies that govern people’s use of Chrome, such as the apps and extensions they can use, data security and privacy, their browsing experience, and more.
To remove it on a Linux device, remove files from /etc/opt/chrome/policies.
For Windows O.S. see this help page.