If you can't remember the password, then use ScanPST.exe and start restoring, if tool can't restore the password, apply Recovery Toolbox for Outlook Password get it from...

Tottaly delete FlashPlayer, and when you will start it again monitor your Antivirus.

Did you try full remove of Office Applications including registry and new install?

I had the same, you can redownload kb for Win 10 install it and wait your turn.

IF you load OS in safe mode you can delete these files without troubles

As I know it is feature in Win 10, I haven't done anything with it