Ragnarok Online launcher crashes (215100)

Computer Information:
Manufacturer: Unknown
Model: Unknown
Form Factor: Desktop
No Touch Input Detected

Processor Information:
CPU Vendor: GenuineIntel
CPU Brand: Intel(R) Core(TM) i7-4790K CPU @ 4.00GHz
CPU Family: 0x6
CPU Model: 0x3c
CPU Stepping: 0x3
CPU Type: 0x0
Speed: 4400 Mhz
8 logical processors
4 physical processors
HyperThreading: Supported
FCMOV: Supported
SSE2: Supported
SSE3: Supported
SSSE3: Supported
SSE4a: Unsupported
SSE41: Supported
SSE42: Supported
AES: Supported
AVX: Supported
CMPXCHG16B: Supported
LAHF/SAHF: Supported
PrefetchW: Unsupported

Operating System Version:
Ubuntu 18.04.1 LTS (64 bit)
Kernel Name: Linux
Kernel Version: 4.15.0-33-generic
X Server Vendor: The X.Org Foundation
X Server Release: 11906000
X Window Manager: GNOME Shell
Steam Runtime Version: steam-runtime-beta-release_2018-06-14

Video Card:
Driver: NVIDIA Corporation GeForce GTX 1080/PCIe/SSE2
Driver Version: 4.6.0 NVIDIA 396.54
OpenGL Version: 4.6
Desktop Color Depth: 24 bits per pixel
Monitor Refresh Rate: 60 Hz
VendorID: 0x10de
DeviceID: 0x1b80
Revision Not Detected
Number of Monitors: 1
Number of Logical Video Cards: 1
Primary Display Resolution: 1920 x 1080
Desktop Resolution: 1920 x 1080
Primary Display Size: 20.04" x 11.26" (22.95" diag)
50.9cm x 28.6cm (58.3cm diag)
Primary Bus: PCI Express 16x
Primary VRAM: 8192 MB
Supported MSAA Modes: 2x 4x 8x 16x

Sound card:
Audio device: Realtek ALC892

Memory:
RAM: 15982 Mb

Miscellaneous:
UI Language: English
LANG: en_US.UTF-8
Total Hard Disk Space Available: 9463324 Mb
Largest Free Hard Disk Block: 5167887 Mb
VR Headset: None detected

Recent Failure Reports:

When launcher tries to update the game data it crashes.

The report names no source files, tests, or entry points. Start by reproducing the Ragnarok Online launcher update crash on the listed Ubuntu and Proton environment, then collect a failure report or crash log; done means the launcher updates the game data without crashing.