Suddenly unable to connect to ANY SMB share (XP, Vista, etc.)

For the past 1 year, I am able to connect to my Windows "server", which is a Windows box running WinXP. All I need to do just go to Finder -> Connect and type this:
smb://MYWINDOWSBOX/c$
However, as of yesterday, suddenly it couldn't connect at all! My MacBook Pro can ping, VNC and heck even do Windows RDP to ANY of my Windows boxes. It just does not want to connect via Finder file sharing (SMB).
I am trying to trace back what I did this past week that may cause this problem, but I couldn't think of any. All I did these past 1 week are:
1) Install DropBox client app
2) Install new certificate in Keychain access (iPhone development)
3) Uninstall StuffIt
FYI, the error I am getting is:
The Finder cannot complete the operation because some data in "smb://MYCOMPUTERNAME/c$" could not be read or written. [Error code -36]"
However, if I go to Terminal and type the following: smbclient \\\\MYCOMPUTER\\C$, it DOES WORKS!! I can browse the share, change directory, etc.
It seems something is broken between Finder and SMB.
Can anyone offer any advise? Any configuration file to change?

if the problem for you is also NortonAV, you can check the "network security map" to see that the Mac is not listed. After slamming my head on the keyboard and hitting as many reset to default buttons that I could find, NortonAV finally gave up and listed the Mac without having to disable the intrusion protection. I don't know yet if it will stick, and it may still require being disabled but at this point it is definitely Norton as the culprit in my case. best of luck. j

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Follow or contact me at...
This post is my own opinion and does not necessarily reflect the opinion or view of Microsoft, its employees, or other MVPs.

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Hello @James0007,
Welcome to the HP Forums, I hope you enjoy your experience! To help you get the most out of the HP Forums I would like to direct your attention to the HP Forums Guide First Time Here? Learn How to Post and More.
I have read your post on how your notebook computer is unable to connect to any wireless network. I would be happy to help you, but first I would encourage you to post your product number for your computer. Below is a is an HP Support document that will demonstrate how to find your computer's product number. In addition, it will also help if you indicate which operating system you are using; and whether your operating system is 32 or 64 bit. The more information you can provide, the better!
How Do I Find My Model Number or Product Number?
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Cheers!
MechPilot
I work on behalf of HP
Please click “Accept as Solution ” if you feel my post solved your issue, it will help others find the solution.
Click the “Kudos, Thumbs Up" on the right to say “Thanks” for helping!

I have a 5th generation iPod touch that is suddenly "unable to connect to the server", not entirely sure what this means but I'm unable to connect to the internet even though I'm connected to Wifi. Can't connect to iTunes on my pc either. Any input?

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Suddenly unable to connect to wireless network...exhausted all fixes

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This morning I connected to my wireless network (DSL 2WIRE modem/router) with no problem. This afternoon I returned and Airport refused to connect, giving me the error message, “Airport is unable to connect to the wireless network…” The network shows up as being available, but when I attempt to connect, it wont. (I didn’t make any changes or install any programs this morning).
Here’s what I’ve done:
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[2] Repaired permissions
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[6] Attempted to join the network from the System Preferences>Network.Airport route.
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[2] My MacBook can connect to another (unsecured) network that I can “see” in my house.
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Some more info (in case anyone is listening...)
I tried turning off the WEP code and could connect. (Since I share files on my home network, this isn't a "solution").
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I gave Apple Care a call, but the support guy, while courteous and all, didn't have anything to offer other than telling me to take it in to an Apple Store for a repair (clearly it isn't a hardware issue).
Heeellllppppp!

Suddenly unable to connect to ANY SMB share (XP, Vista, etc.)

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