Realism overhaul crashing while loading

[FlyingRaptorJesus]

While loading the game after installing realism overhaul, it crashes at about 80-90% and I get this error.

specs:

12Gb of ram

gtx770(4Gb model)

i5 4690k

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Unity Player [version: Unity 4.6.4f1_99f88340878d]

KSP.exe caused an Access Violation (0xc0000005)

in module KSP.exe at 0023:00f1e600.

Error occurred at 2015-09-24_224454.

C:\Program Files (x86)\Steam\steamapps\common\Kerbal Space Program\KSP.exe, run by

55% memory in use.

0 MB physical memory [0 MB free].

0 MB paging file [0 MB free].

0 MB user address space [62 MB free].

Write to location 00000000 caused an access violation.

Context:

EDI: 0x00000000 ESI: 0x0039e6a0 EAX: 0x00000000

EBX: 0x00000000 ECX: 0xf20870e8 EDX: 0x00000000

EIP: 0x00f1e600 EBP: 0x0000684b SegCs: 0x00000023

EFlags: 0x00010213 ESP: 0x0039e644 SegSs: 0x0000002b

Bytes at CS:EIP:

66 0f d6 07 8b 49 08 89 4f 08 ff 46 08 8b 7e 04

[Lumaan]

You are running out of memory KSP can use *around 3.5Gb memory*

[NathanKell]

Yep. Switch to a lower RSS texture pack size, remove part packs, switch to OpenGL mode (see RO OP for details).