Hey there, sorry to hear you're stuck with Spyder hanging on the "loading editor" screen—let’s walk through some targeted fixes that often resolve this issue, since basic reinstalls haven’t worked for you.

1. Reset Spyder’s Configuration Files #

Corrupted user settings are one of the most common causes for this stuck screen. Here’s how to reset them:

• Open your Anaconda Prompt (Windows) or terminal (Mac/Linux).
• Run the command: spyder --reset
• Wait for the process to finish, then launch Spyder again. This wipes out any broken preferences and restores default settings.

2. Test in a Clean Conda Environment #

Sometimes conflicts between packages in your base environment can break Spyder. Let’s create a fresh environment to isolate the issue:

• In Anaconda Prompt/terminal, create a new environment:
  conda create -n spyder-fresh python=3.10 (Python 3.10 is widely compatible with recent Spyder versions)
• Activate the environment:
  conda activate spyder-fresh
• Install Spyder:
  conda install spyder
• Launch Spyder from this environment. If it loads normally, the problem was with your original environment’s package conflicts.

3. Launch Spyder in Safe Mode #

Third-party plugins can sometimes cause loading failures. Try starting Spyder without loading any plugins:

• In Anaconda Prompt/terminal, run:
  spyder --safe-mode
• If Spyder loads successfully here, the issue is likely with one of your installed plugins. You can then enable them one by one to identify the culprit, or just stick with the default plugin set if you don’t need specific extras.

4. Update Spyder and Dependencies #

Outdated packages might lead to compatibility issues. Make sure everything is up to date:

• Activate your environment (base or the fresh one you created)
• Run:
  conda update spyder
• Follow up with:
  conda update anaconda
• Restart Spyder after the updates complete.

5. Check System Permissions #

On some systems, insufficient permissions can prevent Spyder from accessing necessary files:

• Windows: Right-click on Anaconda Navigator and select "Run as administrator", then launch Spyder from there.
• Mac/Linux: Ensure you have read/write permissions for Spyder’s configuration directory (usually located at ~/.spyder-py3 or ~/.spyder-py4 depending on your Python version). You can fix permissions with chmod -R u+rw ~/.spyder-py3 (adjust the path as needed).

If none of these steps work, running spyder --debug-info verbose in the terminal will generate detailed logs. Sharing those logs would help pinpoint exactly where the loading process is failing.

内容的提问来源于stack exchange，提问作者Punit Palial