Network · medium

How to fix Proxy detection failure

Error code: PRX-DET-STLL

What this error means

The computer is stuck detecting proxy settings and is blocking web traffic. This usually traces back to ISP Provider Error, corrupt network card driver and IP address conflict.

Updated

Before you begin

Save open work and back up important files. Use instructions for your exact device and software version. If Windows cannot start, see the startup guide.

Work through these checks

0 of 3 complete
01Restart the router (turn off for 1 minute)
  1. Restart the router (turn off for 1 minute)
What to expect

Check whether the original symptom still occurs.

If it does not help

Continue only if this check applies to your device. Consult its manufacturer if you are unsure.

Browse related errors
02Reset complete network settings in Windows
  1. Reset complete network settings in Windows
What to expect

Check whether the original symptom still occurs.

If it does not help

Continue only if this check applies to your device. Consult its manufacturer if you are unsure.

Browse related errors
03Change the DNS servers to 8.8.8.8
  1. Change the DNS servers to 8.8.8.8
What to expect

Check whether the original symptom still occurs.

If it does not help

Continue only if this check applies to your device. Consult its manufacturer if you are unsure.

Browse related errors

Possible causes

  • ISP Provider Error
  • Corrupt network card driver
  • Stuck Router
  • IP address conflict