Hi! I understand you experienced a $49.99 charge after scanning a QR code to download the V720 app, and nothing is working correctly. That sounds concerning, and I want to help you get to the bottom of it.

To clarify, did you scan the QR code from an official source, like a packaging box, app store, or our official website? Sometimes scammers create fake QR codes to trick people into paying for apps or services that don't work.

Here’s what I recommend we do step-by-step:

1. Verify the source of the QR code: Please avoid scanning QR codes from unknown or unofficial places (ads, emails, random websites). The official V720 app should be downloaded only from trusted platforms like Google Play or the Apple App Store. If you used a QR code that isn't from our official channels, that might be a scam.

2. Check your app download source: On your Windows device—although V720 primarily supports mobile platforms—if you used any downloaded software from an unofficial source, it could be malicious or fake.

3. Review the charge with your bank or payment provider: Since you mentioned an immediate charge of $49.99, I’d suggest contacting your bank or payment service to dispute the transaction and possibly reverse it if it was fraudulent.

4. Delete any suspicious app or software you installed as a result of scanning the QR code to avoid further issues.

5. Get the official V720 app: For security, download the V720 app directly from official app stores or the verified website here: https://v720app.com/ to ensure it is legitimate. Avoid any QR code links from unknown sources.

6. Scan your device for malware: Since you mentioned nothing works, it's worth running a malware scan on your Windows PC using Windows Defender or any reputable antivirus program. That can help detect if any harmful software was installed.

If you want, I can guide you through checking your installed apps and running a malware scan on your Windows 10 computer. Would you like to proceed with that now?

Also, here is some general info on QR code scams if you want to learn more about how these work and how to protect yourself1 6.

Are you satisfied with this direction, or do you want me to assist you with the device checkup now?