Apps & runtime · low

How to fix Error loading Python DLL

Error code: PYTHON-DLL-LOAD

What this error means

Python cannot load the required DLL (python3xx.dll). The application or script does not start.

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 4 complete
01Reinstall Python
  1. Reinstall Python
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
02Check the PATH variable
  1. Check the PATH variable
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
03Install VC++ Redistributable
  1. Install VC++ Redistributable
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
04Use a virtual environment
  1. Use a virtual environment
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

  • Corrupt Python installation
  • Python version conflict
  • Missing VC++ redistributable package