LMMS keeps crashing.

[LeptuneX]

LMMS keeps crashing.

[musikbear]

LMMS keeps crashing.

shut down your PC
Wait 2 mins
Restart

If thats not the fix
post your:
* OS (+service-pack-version)
* lmms version
* lmms sound device chosen
* hardware specification (ram & soundcard is the most important)
* a screenshots of error-state -if any oddness appear

[LeptuneX]

Hmm, I think it's working now, but it started after I downloaded a large LMMS file and opened it on LMMS.

[musikbear]

Hmm, I think it's working now,

eg after a re-boot? -Good

it started after I downloaded a large LMMS file and opened it on LMMS.

What file?