**System Information**
Operating system: Windows-10-10.0.19041-SP0 64 Bits
Graphics card: GeForce RTX 2080 Ti/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 457.30
**Blender Version**
Broken: version: 2.92.0 Alpha, branch: master, commit date: 2020-12-20 17:48, hash: `rBd283a093d664`
Worked: I guess three or so Blender 2.92 alpha versions before the one mentioned in this bug report.
**Short description of error**
Blender crashes when I try to open any file or folder from the Preferences dialog, such as opening an external add-on, or assigning a folder to the included Node Presets add-on.
**Exact steps for others to reproduce the error**
# Start Blender.
# Open Preferences.
# Activate the Node Presets add-on.
# Assign a folder.
# Blender crashes, at least on my system.