Hi there! I understand you're having trouble with internet issues that prevent you from logging in or making purchases on Gameflip, even after restarting your WiFi. Let's try to get this sorted out together.

Could you tell me a bit more about what exactly happens when you try to log in or buy? For example, do you see any error messages? Also, are you accessing Gameflip via a browser on your Windows 10 device or through the app?

Meanwhile, here are some initial steps to try:

1. Check Internet Connection Thoroughly
Even though you restarted your WiFi, please verify that your Windows 10 device is properly connected to the internet. Try opening other websites or streaming a video to confirm that your internet connection is stable.

2. Clear Browser Cache and Cookies
Sometimes, accumulated cache or cookies prevent login pages from working correctly. You can clear your browser's cache and cookies:
- Open your browser settings
- Find the Privacy or History section
- Clear browsing data, including cached images and cookies
Then, restart the browser and try logging into Gameflip again.

3. Try a Different Browser or Incognito Mode
Sometimes, browser extensions or settings can interfere. Try opening Gameflip in a different browser or in incognito/private mode and see if you can log in or make purchases.

4. Check If Gameflip Is Down or Experiencing Issues
Occasionally, Gameflip servers might have temporary outages causing login or purchase problems. You can visit Gameflip's official site or community forums to check for any announcements.

5. Verify Your Account Credentials
When a “Login failed” error happens, it's usually due to incorrect credentials. Double-check your username and password. If needed, try resetting your password through the Gameflip login page. You can reset it safely without fear of multiple resets.

If these don’t help, and since you mentioned internet issues, it could also be your network configuration blocking Gameflip’s services. In that case, try:

- Restarting your modem/router fully (unplug for about 30 seconds, then plug back in).
- Temporarily disable any VPN, firewall, or antivirus software to see if they're blocking Gameflip connections.
- Check your DNS settings — switch to a public DNS like Google’s (8.8.8.8 and 8.8.4.4) for a test.

If the problem persists after trying these, please let me know any specific error messages or behaviors you observe, and we can dig deeper.

Are you satisfied with this initial troubleshooting, or should I guide you through some more advanced steps?