|If Virtual Memory is set at default (Windows managing it) you should not get the reported errors unless you have very little physical RAM. How much RAM have you got?|
Run your AV scans, just in case something is lurking. It would also be worth running MalwareBytes freebie because this can often find and fix what AV's miss.
If it has only just started happening then consider System Restore to a time before the problem came along.
Always pop back and let us know the outcome - thanks