I use Microsoft Office Picture Manager for storing, resizing, and editing. It's simply where all the photos are automatically stored on my PC and came free as part of the initial software. It's NOT part of MS Office.
You can also resize in Paint, either by pixels or percentage, which comes with the accessories on most computers.
I also just got rid of AVG, not the free version, after three years because it failed to get rid of/isolate a Trogan Horse that completely destroyed my internet capability. Major hassle.
