Hi Qiubo Su,
Obviously something went wrong, but the question is What...
Did you check if wpcap.dll is still in the folder C:\WINDOWS\system32
If not, download WinPcap and install it again.
If so, maybe the file is corrupt.
Go to Settings -> Control Panel -> Add or Remove Programs to uninstall WinPcap.
Next download WinPcap and install it again.
You can download WinPcap 4.0.2 or WinPcap 4.1 beta4 here:
http://www.winpcap.org/install/default.htm
Both versions work fine.
Hope this helps
Joan
On Sun, 7 Dec 2008 09:52:38 +1300 Qiubo Su wrote:
>Dear Sir,
>
>I used wireshark, Version 1.0.4 (SVN Rev 26501), in windows xp and it has
>worked fine before, but recently it has problem whenever I clicked the "Show
>the capture options ... " tab.
>
>The attached is the screenshots to replicate the problem. The popup screen
>with the message "*Unable to load WinPcap* (*wpcap*.*dll*); *Wireshark will
>not be able to capture packets* ...... " shows the problem when click the
>"Show the capture options ... " tab.
>
>It will be much appreciated if anyone can help with this.
>
>Thanks,
>Qiubo Su
>
>Bijlage: wireshark-screenshot.doc
>
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