Solution for Launcher game get Error Number : 2 or 5, please check this news:
https://en3.babyran.com/show.aspx?articleid=518

【1】To improve the CENO event and PvP experience, the PY has made the following adjustments:
(1) The four humanoid targets have been moved to the second floor at the edge of the map.
(2) When Ceno event start, all characters will be moved to the bus station area. The 15 mins auto-dc system closed.
(3) The use of Friend Cards and Resurrection fuction is prohibited.

【2】Other adjustments:
Personal stores can only be opened in the Market Place; they are not allowed in other maps.
Red name char can not use taxi card.
The conditions for double online time have been modified:
There have total four maps can get double online time:
Market Place, you need to open a personal store.
Three camps, you just need AFK without personal store.
All another maps are unavailable to get double online time.
Detection: Using skills while riding a motorcycle will be recorded and the user will be forcibly logged off.
Resurrection fuction are not allowed in the Volcano Lair or 11/12F-HighEXP and 9F/10-Epoint.
Disable Skill: Skulk\ Magnetic shaft\ Silent walk

The website item upgrade page has been adjusted.
The HP/MP/SP recovery rate option for new weapons is no longer available.
Previously upgraded weapons can continue to upgrade their HP/MP/SP recovery rate.
Alternatively, you can request to completely remove the HP/MP/SP recovery rate to upgrade HP,
but previously spent points will not be refunded. We appreciate your understanding.
Therefore, there are now four upgrade options for weapons: Attack ,Attack Rate, Hit Rate, and HP.

【3】The God's-eye view, use the mouse wheel to widen the field of view.
【4】Reopen Newbies Channel (No PK, no CW, Can not create Club) because more and more new players join us.
         Accounts registered more than 30 days or collect epoints  more than 20,000 will be unable to enter.
【5】More powerful anti-cheat system is in place, accounts detected using cheats will face stricter bans.
         For more information pls check this news: https://en.babyran.com/show.aspx?articleid=458