Static and unattackable monster

[Umo]

Platform: PC
ISP: Tefefónica de España (TdE)
Type of Internet Connection: ADSL
Internet Connection Speed: 10Mb/s
Date & Time: Jan. 17, 2012 01:11 CET
Frequency: Always
Character Name: Umo Heima
Race: Highlander
World: Gysahl
Class/Level: Archer/46
Area and Coordinates: North Shroud > Treespeak (23, 17)
Party or Solo: Solo
NPC Name: N/A
Monster Name: Lunging Lemur
In-Game Time: 0:25
Steps:

1. Got to detailed Area and Coordinates.
2. There's a level 40 Lunging Lemur standing still. It's name is purple. You can't attack it nor getting attacked by it.

[Raldo]

It's someone's guildleve mob. You can't perform actions on leve/behest/caravan/etc. mobs unless you're signed up for it.

[Hunnybunny]

Same thing happening on Rabanastre at Tree Speak. These mobs have been standing in same spot for 3 days. Yes, they're company leve mobs, but they should have disappeared by now.

Platform: Windows 7 Home Premium 64-bit
ISP: Frontier
Type of Internet Connection: Fios
Internet Connection Speed: 5 mpbs upload/19 mpbs download
Graphics: NVIDIA GeForce GTX 260
CPU: Intel Core i7 920(2.66GHz)
Processor: 64 bit Quad-Core Processor
Memory: 9GB
Hard Drive: 1TB SATA 7200RPM
Date & Time: 1/14 - 1/17
Frequency: All the time
Character Name: Hunnybunny Hari
Race: Dunefolk Lalafell
World: Rabanastre
Class/Skill Rank: CNJ/45
Physical Level: 50
Area and Coordinates: Tree Speak
Party or Solo: Both
NPC Name: Aging Archeologist
Monster Name: Various company leve mobs from defend the npc leves
In-Game Time: All the time

[AmyNeudaiz]

I had a Vile Gnat around Horizon for like 2 weeks once.

I named him Steve. Steve ran away, though.

[Xophious]

Greetings everyone!

We appreciate you taking the time to post the problem within the forums. Thanks for giving us all the details necessary to investigate as well. Since we have all the information needed, we will forward the concern with the mobs to be investigated. If there are any updates throughout the investigation, they may be posted within the forums. Thanks!

[Qeepel]

Hello!

Just as an update, it looks like the monster in question was likely removed in a maintenance that occurred between the reported date (Jan. 17) and today. If you notice this again, please let us know and we'll be happy to update the developers with their investigation. Thank you for your patience and understanding.

-SQUARE ENIX MODERATOR