1) Open administrative command prompt (ACP) and type or copy and paste:
2) sfc /scannow
3) dism /online /cleanup-image /scanhealth
4) dism /online /cleanup-image /restorehealth
5) sfc /scannow
6) chkdsk /scan
7) net user test /add
8) When these have completed > right click on the top bar or title bar of the administrative command prompt box > left click on edit then select all > right click on the top bar again > left click on edit then copy > paste into the thread
9) shutdown /r
10) When the computer reboots sign on with the new user named test
11) Evaluate the performance and report your findings into the thread
12) Reboot and try the user that was having problems > report your findings into the thread
13) Place the computer into clean boot > report your findings into the thread
https://www.tenforums.com/tutorials/41804-perform-clean-boot-windows-10-troubleshoot-software-conflicts.html
If there are problems logs can be collected.