Troubleshooting
2 articles
11 min read
Fix Common ComfyUI Installation and Out-of-Memory Errors
A 2026-current troubleshooting guide for ComfyUI's two most common headaches: install failures (torch/CUDA mismatches, failed custom nodes) and CUDA out-of-memory crashes. Includes copy-paste fixes, and why the once-standard --lowvram flag is mostly a no-op on setups where Dynamic VRAM is actually running — plus how to check whether yours is.
Troubleshooting
8 min read
Fix "SSL: CERTIFICATE_VERIFY_FAILED" in Python requests
The SSL: CERTIFICATE_VERIFY_FAILED error in Python requests almost always means your CA bundle can't trust the server's certificate. Here's a cause-first decision tree: identify the cause with one openssl command, then apply the right fix — updating certifi, the macOS certificate script, environment variables, truststore, or a corporate root — without ever turning verification off.
Troubleshooting