Invisible mouse cursor when clicking character preview and closing character window

Time: Any
Frequency: Every time
World name: Sargatanas
Character name: Shiina Brightmoon
NPC name: N/A
Monster name: N/A
Class/Level: Any
Party or solo: Any
In-game time: Any
Area and coordinates: Any
Steps:

1. Open "Character" window (press C)
2. Left Click or Right Click character miniature in the Character window and hold this mouse button.
3. Close "Character" window (press C)
4. Unhold Left or Right Mouse Button.
5. Mouse cursor appears invisible until I click Left or Right Mouse Button.

Connection Specs
- Type of internet connection/provider: 100Mbit, Rostelecom
- Modem maker/model number: TP-LINK TL-WR1043ND

PC Specs
-=-=-=-=- System Information -=-=-=-=-
SYSTEM_OS Windows 7 Ultimate 64-bit (6.1, Build 7601) Service Pack 1 (7601.win7sp1_gdr.130828-1532)
SYSTEM_CPU Intel(R) Core(TM) i5-2500K CPU @ 3.30GHz (4 CPUs), ~3.3GHz
SYSTEM_CORE_NUM SYSTEM_CORE_LOGIC 4 SYSTEM_CORE_PHYSICS 4
SYSTEM_BIOS BIOS Date: 05/02/12 14:11:48 Ver: 10.15
SYSTEM_LANGAGE русский (формат: русский)
SYSTEM_MEMORY 16336.941MB
SYSTEM_VIRTUAL_MEMORY 2047.875MB
SYSTEM_PAGE_FILE 17135.121MB
SYSTEM_STORAGE C:\ SYSTEM_HARDDISK_DRIVE SYSTEM_TOTALDISC_SPACE 83.621GB SYSTEM_FREEDISC_SPACE 11.642GB
SYSTEM_STORAGE D:\ SYSTEM_HARDDISK_DRIVE SYSTEM_TOTALDISC_SPACE 80.000GB SYSTEM_FREEDISC_SPACE 44.505GB
SYSTEM_STORAGE E:\ SYSTEM_HARDDISK_DRIVE SYSTEM_TOTALDISC_SPACE 120.000GB SYSTEM_FREEDISC_SPACE 26.251GB
SYSTEM_STORAGE F:\ SYSTEM_HARDDISK_DRIVE SYSTEM_TOTALDISC_SPACE 79.458GB SYSTEM_FREEDISC_SPACE 2.456GB
SYSTEM_STORAGE G:\ SYSTEM_HARDDISK_DRIVE SYSTEM_TOTALDISC_SPACE 240.000GB SYSTEM_FREEDISC_SPACE 162.155GB
SYSTEM_STORAGE H:\ SYSTEM_HARDDISK_DRIVE SYSTEM_TOTALDISC_SPACE 219.759GB SYSTEM_FREEDISC_SPACE 197.785GB
SYSTEM_STORAGE I:\ SYSTEM_HARDDISK_DRIVE SYSTEM_TOTALDISC_SPACE 1862.891GB SYSTEM_FREEDISC_SPACE 257.527GB
SYSTEM_DIRECTX_VERSION DirectX 11
SYSTEM_GRAPHICS NVIDIA GeForce GTX 660 Ti
SYSTEM_GRAPHICS_DEVICE \\.\DISPLAY1
SYSTEM_GRAPHICS_CHIP GeForce GTX 660 Ti
SYSTEM_GRAPHICS_MAKER NVIDIA
SYSTEM_GRAPHICS_VRAM 1989.813 MB
SYSTEM_GRAPHICS_SHARED_VRAM 2048.309 MB
SYSTEM_GRAPHICS_DAC Integrated RAMDAC
SYSTEM_GRAPHICS_DISPLAY_MODE 1920 x 1080 (32 bit) (60Hz)
SYSTEM_GRAPHICS_DRIVER nvd3dumx.dll,nvwgf2umx.dll,nvwgf2umx.dll,nvd3dum,nvwgf2um,nvwgf2um
SYSTEM_GRAPHICS_DRIVER_VERSION 9.18.0013.3221
SYSTEM_GRAPHICS_DRIVER_DATE 20.12.2013 0:33:31
SYSTEM_GRAPHICS_DRIVER_LANGAGE Английский
3.0
SYSTEM_GRAPHICS_PIXEL_SHADER 3.0
SYSTEM_GRAPHICS_VERTEX_TEXTURE SYSTEM_SUPPORT
SYSTEM_SOUND Динамики (3- Creative SB X-Fi)
SYSTEM_SOUND_DEVICE_ID {841EDC20-2B8F-4BD3-B6DC-B9E62EC941FC}
SYSTEM_SOUND_DEVICE_NAME ctaud2k.sys
SYSTEM_SOUND_DRIVER_VERSION 6.00.0001.1348
SYSTEM_SOUND_DRIVER_LANGAGE Английский
SYSTEM_SOUND_DRIVER_DATE 18.12.2012 20:35:38
SYSTEM_SOUND SPDIF Out (3- Creative SB X-Fi)
SYSTEM_SOUND_DEVICE_ID {5905BCA4-AD06-40F6-8426-9539AD36DC03}
SYSTEM_SOUND_DEVICE_NAME ctaud2k.sys
SYSTEM_SOUND_DRIVER_VERSION 6.00.0001.1348
SYSTEM_SOUND_DRIVER_LANGAGE Английский
SYSTEM_SOUND_DRIVER_DATE 18.12.2012 20:35:38
SYSTEM_SOUND Динамики (Logitech USB Headset)
SYSTEM_SOUND_DEVICE_ID {D7BF0749-7A5B-451B-8533-CE4B743E6182}
SYSTEM_SOUND_DEVICE_NAME USBAUDIO.sys
SYSTEM_SOUND_DRIVER_VERSION 6.01.7601.18208
SYSTEM_SOUND_DRIVER_LANGAGE Английский
SYSTEM_SOUND_DRIVER_DATE 12.07.2013 14:40:58
-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-

Browser Information
- Name and version of the browser currently in-use: Mozilla Firefox 27.0
- Internet Explorer Version: 11