Can you please remove the following orphan entries.
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Scan with HijackThis and then place a check next to all the following, if present:
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page =
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Local Page =
O2 - BHO: (no name) - {4E7BD74F-2B8D-469E-8DA9-FD60BB9AAE33} - (no file)
O4 - Global Startup: Adobe Acrobat Speed Launcher.lnk = ?
Now, close all instances of Internet Explorer and any other windows you have open except HiJackThis, click "Fix checked".
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Your log is otherwise clean.