1) Place the computer in clean boot:
https://support.microsoft.com/en-us/help/929135/how-to-perform-a-clean-boot-in-windows
https://social.technet.microsoft.com/wiki/contents/articles/29876.how-to-perform-a-clean-boot-in-windows-10.aspx
https://www.tenforums.com/tutorials/5470-enable-disable-driver-verifier-windows-10-a.html
2) Open disk management > by default some columns are compressed > widen each Status and Volume > make sure the contents within the parenthesis are in full view and that none of the characters are cutoff > view disk 0 > widen this row as needed so that all of the characters are in full view > post an image into the thread
https://www.tenforums.com/tutorials/2503-disk-management-how-post-screenshot.html
3) Open administrative command prompt (ACP) and type or copy and paste:
4) sfc /scannow
5) dism /online /cleanup-image /restorehealth
6) 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
7) Open task manager > click the startup tab > post an image of the whole box into this thread
For any problem posting images please use share links (one drive, drop box, or google drive)
8) In the left lower corner type: msinfo32 > save as NFO (do not save as txt) > post a share link
9) What are the status of the important computer files:
a) files backed up to another drive or the cloud
b) backed up images saved to another drive or the cloud
c) no backed up files or images > files need to be saved
d) no backed up files or images > files do not need to be saved
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Please remember to vote and to mark the replies as answers if they help.
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Propose as answer = answered the question
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