yet fooling around (I'm a novice, hence easiest to find problems).  Good chance they were a result of G'mic filters.  These are two error log reports from krita crashes in the past couple days.  They are from the beta version prior to the Feb 2 version.  One may have resulted in an upload.

Faulting application name: krita.exe, version: 0.0.0.0, time stamp: 0x54b69244
Faulting module name: QtCore4.dll, version: 4.8.6.0, time stamp: 0x53c3b4b7
Exception code: 0xc0000005
Fault offset: 0x000000000011d414
Faulting process id: 0x1110
Faulting application start time: 0x01d04036de5dcf0b
Faulting application path: C:\Program Files\Krita (x64)\bin\krita.exe
Faulting module path: C:\Program Files\Krita (x64)\bin\QtCore4.dll
Report Id: b615c367-ac2a-11e4-8275-6002920c8eaf
Faulting package full name: 
Faulting package-relative application ID: 

Faulting application name: krita.exe, version: 0.0.0.0, time stamp: 0x54b69244
Faulting module name: ntdll.dll, version: 6.3.9600.17476, time stamp: 0x54516b13
Exception code: 0xc0000374
Fault offset: 0x00000000000f1340
Faulting process id: 0x100c
Faulting application start time: 0x01d040247a024e60
Faulting application path: C:\Program Files\Krita (x64)\bin\krita.exe
Faulting module path: C:\WINDOWS\SYSTEM32\ntdll.dll
Report Id: 3580a3bf-ac19-11e4-8275-6002920c8eaf
Faulting package full name: 
Faulting package-relative application ID: 





Reproducible: Sometimes

Steps to Reproduce:
1.  Just fooling around - I recognize that doesn't help much.
2.
3.

Actual Results:  
Crash

Expected Results:  
continued operation