Clean boot is a boot configuration, when minimal set of services and autorun programs starts with Windows. It’s a good tool for troubleshooting software issues. 

 To load Windows with clean boot configuration, follow those steps:

1)   1) Press “Start” button.

2) Type “msconfig”.

3) Press Enter or left click on “msconfig” link, that has appeared in search results.

4) On “General” tab, uncheck “Load startup items”.

5) On “Services” tab, check “Hide all Microsoft services”.

6) Press “Disable all” button and then “OK”.

7) It will prompt you to restart system - choose “Restart”.

1)      8) Now, system will load with “clean boot” configuration.