Trojan.gen 2 80000000.@ removal help

Hi there i hope someone can help with removal of this. Symantec endpoint discovered this virus/trojan and it cant delete it and and keeps giving me this messege every 5min

 

 

Scan type: Auto-Protect Scan

Event: Risk Found!

Security risk detected: Trojan.Gen.2

File: C:\Windows\Installer\{4835385a-b096-9719-2ea1-2fbcaaa3cc2e}\U\80000000.@

Location: C:\Windows\Installer\{4835385a-b096-9719-2ea1-2fbcaaa3cc2e}\U

Computer: AAYO-HP

User: SYSTEM

Action taken: Pending Side Effects Analysis : Access denied

Date found: 6. juni 2012 14:43:06

 

Hope someone can help i have been looking for an answer for hours. But none the wiser.