& aside from YO regular pc anti virus, etc scanner also use daily cleaners ie: "Wise Registry" & "CCleaner" & periodical sfc-System File Checker tool 2 check 4 missing or corrupt pc files via in little Black Command window & type or copy & paste in sfc /scannow. Web keyword search vast-various tips & tricks 2 help U as U can B good techie. & feel free 2 use little Yellow stick post it notes around YO pc device 4 notes of every couple of months fresh new done external backup drive backing up if U need 2, just saying-sharing, smile. As any given day has it's own drama, misc in-of itself & U just wanna B-feel relaxed.