Microsoft has been rubbing up a lot of people the wrong way with its aggressive push for Windows 7 and 8 users to upgrade to Windows 10.

So far, the company has employed some dodgy tactics to trick users into upgrading and now it's paying for its transgression; literally.

Microsoft has employed some dodgy tactics to trick users into upgrading.

In the US, Microsoft has to cough up $US10,000 ($13,540) after the company was sued by a small business owner over a Windows 10 upgrade that she didn't authorise on her PC.

Teri Goldstein, of California, took Microsoft to court after her PC downloaded Windows 10 and automatically tried to install the new operating system, allegedly without her consent.