As I have already written here, Microsoft released a lot of unwanted updates for Windows 7 SP1 and Windows 8.1 recently to promote the update to Windows 10.

Now they want to get more data out of your system. By releasing a couple of "Telemetry" updates, they hope to get the same data from you as they get with Windows 10. In addition, these updates slow down your machine and use disk space. Here is the list you need to uninstall

KB3022345
KB3068708 - Replaces KB3022345
KB3075249
KB3080149

To avoid this stuff in the future, just change the configuration to not install optional updates automatically:

"Give me recommended updates the same way I receive important updates" = Un-tick