Error 1301

[Weiga]

(sorry if this is a repost, but idk where the original topic went)
Hey. I've successfully installed PR yesterday, and once I clicked play it came up with the error "1301". I've tried everything from the pinned topic above but nothing helped.
System Information
------------------
Operating System: Microsoft Windows 7 Ultimate E (6.1.7601)
Architecture: 32-bit
Current Culture: English (United States)
Motherboard: Gigabyte Technology Co., Ltd. H61M-S2P
Processor: Intel(R) Pentium(R) CPU G2020 @ 2.90GHz (Physical: 2, Logical: 2)
Memory: 2.00 GB
DIMM Modules: ChannelB-DIMM0: 2.00 GB @ 1333 MHz
Page File: 1.89 GB
.NET Framework: 4.5.2, Runtime: 4.0.30319.34209

Display Information
-------------------
Display Device(s): Generic PnP Monitor on Intel(R) HD Graphics
Display Mode(s): 1366 x 768 (32 bit) @ 60 Hz
Driver Version: 10.18.10.4885
Display Memory: 776.69 MB
Multisampling: 2, 4, 8
DPI: 96 (100%)

Audio Information
-----------------
Primary Playback: Speakers (Realtek High Definiti
Primary Recording: Microphone (Realtek High Defini
Open AL Renderer: Software
EAX: True
EAX 1.0: False
EAX 2.0: True
EAX 3.0: False
EAX 4.0: False
EAX 5.0: False
X-RAM: False

Disk Information
----------------
Install Path: E:\Project Reality
Free: 114.05 GB, Total: 208.00 GB, FS: NTFS, SSD: False
Mod Path: E:\Project Reality\mods\pr
Free: 114.05 GB, Total: 208.00 GB, FS: NTFS, SSD: False
Profiles Path: C:\Users\Weiga\Documents\ProjectReality\Profiles
Free: 24.37 GB, Total: 49.65 GB, FS: NTFS, SSD: False
Update DL Path: C:\Users\Weiga\AppData\Local\Project Reality\Project Reality BF2\Downloads
Free: 24.37 GB, Total: 49.65 GB, FS: NTFS, SSD: False
Update Log Path: C:\Users\Weiga\AppData\Local\Project Reality\Project Reality BF2\UpdateLogs
Free: 24.37 GB, Total: 49.65 GB, FS: NTFS, SSD: False

Game Information
----------------
Installed Mods: pr
Current Mod: pr
Version: 1.5.0.0
PR Version: 1.5.0.0
Language: english
Debug Available: False
Large Address: False
Supported Hardware: None

Profile Information
-------------------
Profile 0001: Weiga
Type: Online
View Intro: True
Fullscreen: True
Display Mode: 1366x768@60Hz
Display Mode Valid: True
Graphics Scheme: Medium
Multisampling: Off
VSync: False
NoLods: False
Terrain Quality: Low
Effects Quality: High
Geometry Quality: Low
Texture Quality: Medium
Lighting Quality: Low
Dynamic Shadows: Medium
Dynamic Lights: Medium
Texture Filtering: Medium
Audio Provider: Software
Provider Valid: True
Audio Quality: Medium
EAX: True
thanks in advance for anybody who can help.

[Weiga]

SOLVED! to everybody who still has this issue, you have to enable DMZ settings through your router.