Computer is not accesible. You might not have permissions to use...

network places -microsoft windows network -MSHOME -click on Computer A, it says:
"Computer A is not accessible. You might not have permission to use
this network resource. Contact the administrator of this server to find
out if you have access permissions"

net view \\pcname results in error "System Error 5. Access is denied."

"XXXXXXX is not accessible. You might not have permission to use
network resource. Access is denied."
http://support.microsoft.com/?kbid=913628



"Workgroup is not accessible. You may not have permission to use this
network resource. Contact the administrator of this server to see if
you have access permissions."


"Workgroup_name is not accessible. You may not have permission to use this network resource."
http://support.microsoft.com/kb/915107/en-us (guest acct)

"Workgroup Name is not accessible. You may not have permission to use this network resource."
(turn on netbios over tcp, start computer browser service)
http://support.microsoft.com/kb/318030/en-us

click Entire Network, Microsoft Network, click the workgroup name, you receive:
"Unable to access Computers Near Me. Workgroup is not accessible.
The list of servers for this workgroup is not currently available."
(pc is set as a master browser, or netbios over tcp not enabled)
http://support.microsoft.com/kb/285035/en-us