Om3gA is correct the IRC Protocol along with other URL: * Protocols are Entries in the Registry, you can be capable of creating these Entries by going to Tools\Folder Options… and selecting “File Types” tab, or making an .reg file to import.

Here’s Informatics about mIRC’s IRC Protocol;

[HKEY_CLASSES_ROOT\irc]
@="URL:IRC Protocol"
"EditFlags"=dword:00000002
"URL Protocol"=""
"BrowserFlags"=dword:00000008

[HKEY_CLASSES_ROOT\irc\DefaultIcon]
@="\"C:\\Program Files\\mIRC\\mirc.exe\""

[HKEY_CLASSES_ROOT\irc\Shell]
@=""

[HKEY_CLASSES_ROOT\irc\Shell\open]

[HKEY_CLASSES_ROOT\irc\Shell\open\command]
@="\"C:\\Program Files\\mIRC\\mirc.exe\" -noconnect %1"

[HKEY_CLASSES_ROOT\irc\Shell\open\ddeexec]
@="%1"

[HKEY_CLASSES_ROOT\irc\Shell\open\ddeexec\Application]
@="mIRC"

[HKEY_CLASSES_ROOT\irc\Shell\open\ddeexec\IfExec]
@="%1"

[HKEY_CLASSES_ROOT\irc\Shell\open\ddeexec\Topic]
@="Connect"


Kn0wledge Is Thee P0wer!!!!