I noticed the diagnostic section in the settings so am posting here for anyone that may find it useful:
Application paint.net 4.0.5 (Final 4.5.5454.39504)
Build Date Sunday, December 7, 2014
Hardware accelerated rendering (GPU) False
Animations True
DPI 96.00 (1.00x scale)
Language en-US
OS Windows 8.1 (6.3.9600.0)
.NET Runtime 4.0.30319.34014
Physical Memory 8,092 MB
CPU AMD FX-6100 Six-Core Processor
Architecture x64 (64-bit)
Process Mode 64-bit
Speed ~3576 MHz
Cores / Threads 6
Features DEP, SSE, SSE2, SSE3, SSSE3, SSE4_1, SSE4_2, XSAVE
Video Card AMD Radeon HD 6450
Dedicated Video RAM 1,011 MB
Dedicated System RAM 0 MB
Shared System RAM 3,840 MB
Vendor ID 0x1002
Device ID 0x6779
Subsystem ID 0x21251462
Revision 0
LUID 0x00007FF2
Flags None
Outputs 2
Video Card Microsoft Basic Render Driver
Dedicated Video RAM 0 MB
Dedicated System RAM 0 MB
Shared System RAM 256 MB
Vendor ID 0x1414
Device ID 0x008C
Subsystem ID 0x00000000
Revision 0
LUID 0x00009670
Flags Software
Outputs 0