[JFreak]

Sadly, this is the only bulletproof way of troubleshooting plugins. Whenever a plugin is loaded into memory, it contributes to the stability (or instability) of the whole system even if it is not instantiated in a session.

If you have zero problems without plugins, you first rule out a PT problem. Then you keep moving plugins back one vendor at the time, and once the problems re-appear, you know which plugins are the culprit.

Then you move those back to unused, and the rest to the plugins folder and if the problem keeps away you know you have found it, and likely will either try to find update to said plugins or ask the vendor for support.