How to backup photos from iphone 4s to windows 8 PC?

I have 600 pictures on an iphone 4s. I can browse them on the iphone. I connect the iphone to my Windows 8 laptop, and I can see the iPhone under My Computer. If I open it, I have a DCIM folder which says it's empty.

Windows 8 has a function to download from a phone if I tap the icon. It says there are no pictures on the iphone.

I can see them on the phone.

I want to back them up to my PC.

IPhone 5 on AT&T or Verizon?

I'm getting an iPhone 5 and I'm debating whether to get it on AT&T or Verizon? What do you think? Sprint doesn't work in my area.

Why is it when people call my iPhone they show up UNKNOWN?

I got my iphone a couple weeks ago. At first I thought it may just be something that would go away within time. But it hasn't. I have a iPhone 4 and whenever someone calls my phone they show up as unknown or blocked. I tried tiring it off for half an hour then tiring it on, then I tried to take out my SIM card and wait half an hour to turn it on again. Please, if anyone can help me it would be greatly appreciated.

IPhone on the tracfone network?

Just a simple prepaid service. I was wondering if i could jailbreak and unlock an iPhone and put my tracfone SIM card in it and have it work as a normal phone. Is this possible? It doesn't matter what iphone it is. Ill do it on a iPhone 3G if i have to. Can someone help me? Is this possible?

I jailbroke my iPhone and when I pull up Cydia it minimizes?

About a week ago I jail broke my iPhone and I've been having alot of fun with it and everything. But starting last night whenever I tried opening cydia it would just minimize to the upper left corner about the third of the screen is the little window and the rest is black. Can someone help me?

What tablet can play about any movies/videos?

I don't care about any other functionality, just the video play ability.
I have.mkv videos, .avi videos, .mpg videos, and many more videos with different file extensions.

.avi videos can be played by just any tablet but the other extensions are risky.
I know Ipad would be able to play.mp4 videos, I know because I have an iphone.

I'm trying to find a tablet that can most, if not all, play any videos. A laptop and desktop can play just any type of video but I just can't find a tablet that can do that.

I've researched about Nexus 7 vs iPad. Then I found Archos 101 tablet. But as i settled for Archos, I found the bad reviews of it, saying that the service is poor, so it would be bad to have a broken Archos tablet. Thus, I could be looking at Nexus 7 vs iPad at the end. Unless, I'm suggested of other ones.