> ## Documentation Index
> Fetch the complete documentation index at: https://help.decodo.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Troubleshooting 

> Troubleshooting Guide Overview for Common Issues

<Columns cols={2}>
  <Card title="HTTP Response Codes" icon="link" horizontal href="https://help.decodo.com/docs/https-error-codes">
    Proxy Error Definitions
  </Card>

  <Card title="Error 407" icon="link" horizontal href="https://help.decodo.com/docs/407-proxy-authentication-error">
    Proxy Authentication Required
  </Card>
</Columns>

<Columns cols={2}>
  <Card title="SSL Errors" icon="link" horizontal href="https://help.decodo.com/docs/ssl-errors">
    SSL Error FAQ
  </Card>

  <Card title="Error 522" icon="link" horizontal href="https://help.decodo.com/docs/522-connection-timed-out">
    Connection Timed Out
  </Card>
</Columns>

<Columns cols={2}>
  <Card title="Mismatched IP Location" icon="link" horizontal href="https://help.decodo.com/docs/ip-location-does-not-match">
    Outdated Database Issues
  </Card>

  <Card title="Proxy Connection Failed" icon="link" horizontal href="https://help.decodo.com/docs/unable-to-connect">
    General Troubleshooting
  </Card>
</Columns>

<Columns cols={2}>
  <Card title="Website Fails to Load" icon="link" horizontal href="https://help.decodo.com/docs/website-is-not-loading" />

  <Card title="Proxy Speed Issues" icon="link" horizontal href="https://help.decodo.com/docs/speed-issues" />
</Columns>

<Columns cols={2}>
  <Card title="IP:PORT Format" icon="link" horizontal href="https://help.decodo.com/docs/how-to-get-ip-port-format">
    Endpoint:Port Workaround
  </Card>

  <Card title="Smartphone cURL Test" icon="link" horizontal href="https://help.decodo.com/docs/termux">
    Mobile Device Proxy Test
  </Card>
</Columns>

<Columns cols={2}>
  <Card title="High Usage" icon="link" horizontal href="https://help.decodo.com/docs/high-traffic-usage">
    Troubleshooting high traffic usage
  </Card>

  <Card title="Proxy Traffic" icon="link" horizontal href="https://help.decodo.com/docs/proxy-traffic">
    How Proxy Traffic is Calculated
  </Card>
</Columns>

***

<Columns cols={2}>
  <Card title="Support" href="https://direct.lc.chat/12092754" cta="Let's chat!">
    Need help or just want to say hello? Our support is available 24/7. \
    You can also reach us anytime via email at [support@decodo.com](mailto:support@decodo.com).
  </Card>

  <Card title="Feedback" href="mailto:feedback@decodo.com" cta="Share feedback">
    Can't find what you're looking for? Request an article! \
    Have feedback? Share your thoughts on how we can improve.
  </Card>
</Columns>