> For the complete documentation index, see [llms.txt](https://stellarcasttv.gitbook.io/stellarcasttv-docs/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://stellarcasttv.gitbook.io/stellarcasttv-docs/stellarcasttv-iptv-tutorial/computer-installation-guide/troubleshooting-guide-for-windows.md).

# 🛠️ Troubleshooting Guide for Windows

***

### 📦 Installation Issues

**❌ “App Can’t Be Installed” or Won’t Launch**

* May be caused by antivirus interference or missing dependencies
* ✅ **Solution**:
  * Disable antivirus temporarily and retry installation
  * Make sure you have **.NET Framework** and **Visual C++ Redistributables** installed

**⚠️ “Windows Protected Your PC” Warning**

* This is Windows SmartScreen detecting unknown software
* ✅ **Solution**:
  * Click **More Info → Run Anyway** if the software is from a trusted source

***

### 🔐 Login Problems

**❌ Invalid Login or “Connection Failed”**

* Most common causes: typo in credentials, unsupported format, or firewall blocks
* ✅ **Solution**:
  * Recheck your **Username**, **Password**, and **Server URL**
  * Make sure Windows Firewall allows the IPTV app through
  * Contact us to verify account status

***

### 📺 Playback Issues

**⛔ No Video / Audio Only (VLC or IPTV App)**

* Often a codec issue or stream format incompatibility
* ✅ **Solution**:
  * In VLC: Go to **Tools → Preferences → Video** → Ensure video output is set to **Automatic**
  * In IPTV apps: Try switching to **Software Decoder**

**⏳ Buffering or Lag**

* Could be caused by Wi-Fi interference or provider server load
* ✅ **Solution**:
  * Use an **Ethernet cable** instead of Wi-Fi
  * Try streaming at non-peak hours
  * Use a **VPN** if your ISP throttles IPTV traffic

***

### 💥 App Crashing or Freezing

**🧹 Clear Temporary Files**

* ✅ **Steps**:
  * Press `Windows + R` → Type `temp` → Delete all files
  * Repeat with `%temp%` and `prefetch`

**🔄 Reinstall the App**

* ✅ **Steps**:
  * Uninstall IPTV software completely
  * Restart your PC
  * Download the latest version and install clean

***

### 🌟 Best Practices for Smooth Performance

* ✅ Keep Windows and IPTV software **updated**
* ✅ Use a wired connection for **more stable streaming**
* ✅ Disable **power-saving** or **sleep mode** during long sessions
* ✅ Use a VPN if regional or ISP-related issues occur
* ✅ Avoid multitasking with heavy apps (games, torrents) while streaming

***

### 🙋 Need Further Assistance?

If the issue still isn’t resolved:

* 📩 Contact your **us** to confirm your account and device compatibility
* 💬 Reach out to **StellarCastTV Support** with:
  * A short description of the problem
  * A screenshot if possible
  * Your Windows version and IPTV app name

> We'll guide you through and help restore smooth access to your IPTV service.


---

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