Check for IMNames in Start>Control Panel>Add/Remove Programs and uninstall it if you have installed it because it is malware:
Complete scanning result of "IMNames_setup.exe", received in VirusTotal at 05.22.2007, 10:02:31 (CET).
Antivirus Version Update Result
AhnLab-V3 2007.5.21.1 05.21.2007 no virus found
AntiVir 7.4.0.23 05.22.2007 ADSPY/2Searc.H.10.B
Authentium 4.93.8 05.21.2007 could be a corrupted executable file
Avast 4.7.997.0 05.21.2007 Win32:Adware-gen.
AVG 7.5.0.467 05.21.2007 Generic.YVD
BitDefender 7.2 05.22.2007 Adware.2searc.A
CAT-QuickHeal 9.00 05.21.2007 no virus found
ClamAV devel-20070416 05.22.2007 Adware.Search-15
DrWeb 4.33 05.21.2007 no virus found
eSafe 7.0.15.0 05.21.2007 Win32.KillFW.a
eTrust-Vet 30.7.3651 05.21.2007 no virus found
Ewido 4.0 05.21.2007 no virus found
FileAdvisor 1 05.22.2007 no virus found
Fortinet 2.85.0.0 05.22.2007 Spy/Adload
F-Prot 4.3.2.48 05.21.2007 no virus found
F-Secure 6.70.13030.0 05.22.2007 Trojan.Win32.KillFW.a
Ikarus T3.1.1.7 05.22.2007 AdWare.Win32.2Search.h
Kaspersky 4.0.2.24 05.22.2007 not-a-virus:AdWare.Win32.2Search.h
McAfee 5035 05.21.2007 potentially unwanted program Adware-2Search
Microsoft 1.2503 05.22.2007 Adware:Win32/IMNames (threat-c)
NOD32v2 2283 05.21.2007 a variant of Win32/Adware.2Search
Norman 5.80.02 05.21.2007 no virus found
Panda 9.0.0.4 05.21.2007 Trj/Multidropper.RER
Prevx1 V2 05.22.2007 no virus found
Sophos 4.17.0 05.21.2007 IMNames Installer
Sunbelt 2.2.907.0 05.17.2007 2Search
Symantec 10 05.22.2007 Adware.2Search
TheHacker 6.1.6.120 05.21.2007 no virus found
VBA32 3.12.0 05.21.2007 AdWare.Win32.2Search.h
VirusBuster 4.3.23:9 05.21.2007 Trojan.KillFW.B
Webwasher-Gateway 6.0.1 05.22.2007 Ad-Spyware.2Searc.H.10.B
Try the Bitdefender, Panda or F-Secure online scanners if the programs I posted above don't solve the problem. Links here:
http://www.geocities.com/dontsurfinthenude/antivir2.htm