Not sure if there's anything that can be done about this on osu!'s end, but it's been going on for a while and doesn't happen in stable.
Probably related to p/4091418
Probably related to p/4091418
Crash upon closing Dxtory after osu! has been minimized to the tray for a long period of time.
Application: osu!.exe
Framework Version: v4.0.30319
Description: The process was terminated due to an unhandled exception.
Exception Info: exception code c0000005, exception address 62E5416C
Faulting application name: osu!.exe, version: 1.3.3.7, time stamp: 0x5589b04b
Faulting module name: OPENGL32.DLL, version: 6.1.7600.16385, time stamp: 0x4a5bdadb
Exception code: 0xc0000005
Fault offset: 0x0000416c
Faulting process id: 0x4ac
Faulting application start time: 0x01d0ae3f541d384d
Faulting application path: D:\Games\Osu!\osu!.exe
Faulting module path: C:\Windows\system32\OPENGL32.DLL
Report Id: b74daa59-1a62-11e5-96ba-6c626d45738a