Some ISPs deliberately slow down streaming traffic during peak hours, especially for high-bandwidth services like Netflix or Amazon Prime. This can manifest as a loading error or endless buffering. To test, use a VPN (ironically) to see if the problem disappears when traffic is encrypted. If the video loads perfectly via VPN, your ISP is throttling you. In that case, contact your ISP and complain, or consider switching providers.

Outdated software is a leading cause of compatibility issues. Streaming platforms constantly update their video codecs and DRM (digital rights management) protocols. If your app or OS is several versions behind, the video player may fail to negotiate a proper stream, resulting in a loading error. Always ensure: