Question : Hard drive showing significantly less space available then WinDirStat shows?

I have a laptop where the 140gb hard-drive shows that only 140mb is left to use.  Used ccleaner and drive cleanup to get rid of another 100mb of junk.  Checked all the root folders in the C: drive (which is the drive with 140gb total space) and none of them have more than 8 gb each including "program folders", "users", and "windows".  Each of these folders total space when added together shows around 33 gb which is exactly the amount of space that WinDirStat shows is actually being used on the C: drive.

Oddly, the C: drive within the typical explorer window shows (even when constantly refreshed) that 139gb are being used instead of the 33gb that WinDirStat shows and also that it seems is actually taken up when checking the properties of each individual C: root folder to look at space usage.  I am betting that only 33gb is actually being used even though windows says otherwise.  Ran the registry cleaner in CCleaner and rebooted but problem doesn't go away.

Have never seen this issue before so wanted to see what could be causing the discrepancy between what windows is somehow seeing vs. what appears to be actually being used on the drive.

System is a HP Pavillion dv6000 (laptop) with 32bit Vista Home Premium SP2. w/2gb RAM

Answer : Hard drive showing significantly less space available then WinDirStat shows?

You should be able to add the application, but need to select the executable manually. For udp/1434 it is the browser sqlbrowser.exe (usually "c:\Program Files\Microsoft SQL Server\90\Shared\sqlbrowser.exe"), for tcp/1433 sqlservr.exe ("c:\Program Files\Microsoft SQL Server\MSSQL10.EXPRESS10\MSSQL\Binn\sqlservr.exe"). You can lookup both in services.msc.

With "remote port" I meant the port of the client in the firewall. You have set it to 1433 ("Here are the settings for the firewall exception rule: protocol type is tcp, local port is 1433, remote port is 1433, ").