If you notice a high memory usage in your task manager dued to the Svchost.exe process, it is generally dued to a Windows update called Windows Management Framework 3.0.

It occurs once the Windows VPS ran for quite some time, the RAM usage may climb drastically.

In order to fix it, you will need to download and install the following Microsoft Hotfix available by clicking here.

And that's it, you'll notice the RAM usage going back to normal once installed.