I don't see calsp.dll listed here. Let's see what we can do:
Please print out or copy this page to Notepad. Make sure to work through the fixes in the exact order it is mentioned below. If there's anything that you don't understand, ask your question(s) before proceeding with the fixes. You should 'not' have any open browsers when you are following the procedures below.
Download
LSPFix and run it. Click on
calsp.dll on the left window and click on the arrow pointing to the right. Click Finish and follow the prompts.
Reboot into Safe Mode by hitting the F8 key repeatedly until a menu shows up (and choose Safe Mode from the list). In some systems, this may be the F5 key, so try that if F8 doesn't work. Make sure to close any open browsers. Uninstall the following via the Add/Remove Panel (Start->(Settings)->Control Panel->Add/Remove Programs) if they exist:
Viewpoint
SpySpotter
MyWebSearch
Run a scan in HijackThis. Check each of the following and hit 'Fix checked' (after checking them) if they still exist (make sure not to miss any):
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Local Page = C:\WINDOWS\about.htm
R3 - Default URLSearchHook is missing
O3 - Toolbar: (no name) - {76886F39-D4D8-4f00-A354-3CC1C364F363} - (no file)
O3 - Toolbar: Viewpoint Toolbar - {F8AD5AA5-D966-4667-9DAF-2561D68B2012} - C:\Program Files\Viewpoint\Viewpoint Toolbar\ViewBar.dll
O4 - HKLM\..\Run: [SpySpotter] C:\PROGRA~1\SPYSPO~1\SpySpotter.exe
O4 - HKLM\..\Run: [IPInSightMonitor 01] "C:\Program Files\SBC Yahoo!\Connection Manager\IP InSight\IPMon32.exe"
O4 - HKLM\..\Run: [-
] C:\WINDOWS\dfbhr.exe
O4 - Startup: PowerReg Scheduler.exe
O8 - Extra context menu item: &Search - http://bar.mywebsearch.com/menusear...?p=ZSzeb02940US
O8 - Extra context menu item: &Viewpoint Search - res://C:\Program Files\Viewpoint\Viewpoint Toolbar\ViewBar.dll/CXTSEARCH.HTML
O16 - DPF: {56336BCB-3D8A-11D6-A00B-0050DA18DE71} (RdxIE Class) - http://software-dl.real.com/222e2fb...ip/RdxIE601.cab
O16 - DPF: {666DDE35-E955-11D0-A707-000000521958} - http://69.56.176.227/webplugin.cab
O16 - DPF: {88D758A3-D33B-45FD-91E3-67749B4057FA} - http://dm.screensavers.com/dm/insta.../sinstaller.cab
O16 - DPF: {DF780F87-FF2B-4DF8-92D0-73DB16A1543A} (PopCapLoader Object) - http://antu.popcap.com/games/popcaploader_v5.cab
O16 - DPF: {F57D17AE-CE37-4BC8-B232-EA57747BE5E7} - http://66.230.146.53/EPlugin_US.cab
O16 - DPF: {FC67BB52-AAB6-4282-9D51-2DAFFE73AFD0} - http://download.spyspotter.com/spys...tterInstall.cab
Delete the following Files/Folders (delete folders if no filename is specified) according to their directory (if none, just do a search for them) and delete them if they exist:
C:\Program Files\Viewpoint\
C:\PROGRA~1\SPYSPO~1\
C:\WINDOWS\dfbhr.exe
Reboot into Normal Mode run a new HijackThis scan. Save the log file and post it here.