Win 8 app store can't connect several solutions

Method 1: Use the netsh command to repair the network.
Steps: 1). Press Windows (logo key) + X combination shortcut key, the common shortcut menu will pop up, choose to open “ command prompt (admin) & rdquo; item
2). Open the command line After that, type netsh and press Enter.
3). Then type: winhttp and press Enter.
4). Finally enter import proxy source=ie and press Enter to finish.
Method 2: Try setting DNS to 8.8.8.8 and 8.8.4.4 (Google's DNS)
Method 3: Click the network icon on the taskbar to select “Open Network and Sharing Center", click “ Ethernet”, click on “Properties" in the new window, and then remove the checkmark from the "internet version protocol" and "internet version protocol"
Method 4: Check if the computer date is correct