I can only assume this is a bug caused by a mod. Basically what happens is that when I put a vessel in orbit around the sun (regardless of distance) and return to it later, it blows up due to overheating (even if there's radiators on the vessel). Also, going into EVA will instantly kill the kerbal you send out. Both of these can be prevented by turning on "Ignore Max Temperature", but I obviously don't want to have that on all the time. I need some help diagnosing the problem.
Extra Info:
It doesn't matter what vessel it is, whether it's just a command pod or a probe with 8 radiators around it, the glitch seems to persist regardless of the vessel's design.
So far from what I've seen, any other orbit doesn't seem to cause this glitch. Just Kerbol orbits.
What I've done so far:
Removed SystemHeat, Kopernicus, Galaxies Unbound, KSPIE, and Far Future Tech
Verified Integrity of Game Cache
Start a new game to see if it affects that one (it does, so my save isn't corrupted)
Here's also some screencaps with KerbalEngineer up to help with the diagnosis. One's the temperature when going EVA and the other's when the vessel is idle (for the sake of this, I just placed a Nereid pod with mono engines into orbit and turned on "Ignore Max Temperature")
KSP Log
My mod list:
Atmosphere Autopilot
B9PartSwitch
Beejee10s Historical Kerbal Suits
Better Time Ward Continued
Blueshift
ClickThroughBlocker
Toolbar/ToolbarController
CommNet Constellation
Community Tech Tree
Community Category Kit
Community Resource Pack
ContractConfigurator
Cryogenic Engines
Dynamic Battery Storage
Easy Vessel Switch
Environmental Visual Enhancements Redux
Far Future Technologies
Feline Utility Rovers
Filter Extension
Fuel Efficient Pilots
Future Technologies Expanded: Frontier Aeronautics
Galaxies Unbound (Nova Kirbani, Kormann-16, Kepsilon Kirilani, Cer Turi, and Seirios are the systems I have installed)
HideEmptyTechTreeNodes
HyperEdit
Internal RCS
Interstellar Fuel Switch
KIS/KAS
Kerbal Reusability Expansion
Planetary Base Systems
TAC Life Support
Kerbal Engineer
Kerbalized Suits
Knes
Kopernicus
KSP Interstellar Extended
KSP Recall
Restock/Restock Plus
Tweakscale
MechJeb
Mk1 Cabin Hatch
All "Near Future" Mods
Patch Manager
Mk2/Mk3 Expansion
Mk-33
SCANSat
Scatterer
SpaceDust
SystemHeat
Waterfall
Stockalike Station Parts Expansion Redux
Surface Lights
Tarsier Space Tech
Universal Storage 2
Vessel Mover
ZeroMiniAVC