Windows 7 High CPU usage & Slow Windows Updates Fixed

The issue:  Installing and searching for updates is slow and high CPU usage occurs in Windows 7 and Windows Server 2008 R2
The Svchost.exe process occupies 100 percent of CPU usage when you upgrade a Windows Update client to Windows 10.
https://support.microsoft.com/en-us/kb/3102810 KB3102810 can be manually installed to correct Windows Update getting stuck at checking for updates. It can be downloaded straight from Microsoft Download Center in the link above.