Fix enumerated list

Add error "command not found: ascp" solution

external/exchange-channels/asperaweb/asperaweb.md

@@ -94,3 +94,11 @@ Specifically your firewall should:
 * If you have a local firewall on your server (like Windows Firewall), verify that it is not blocking your SSH and fasp transfer ports (e.g. TCP/UDP 33001).
 
 Detailed information on how to configure firewalls when working with Aspera is given [here](https://download.asperasoft.com/download/docs/p2p/3.5.1/p2p_admin_win/webhelp/dita/configuring_the_firewall.html).
+
+### Command-Line error "command not found: ascp" ###
+
+Run <code>ascli config ascp show</code> to show path of <code>ascp</code>.
+
+Modify command with the path instead of <code>ascp</code>:<br>
+Here is example of download command
+`<path> -d -i $SSHKEY -P 33001 --file-crypt decrypt -W $TOKEN app_duma_private@aspera.lcsb.uni.lu:/<remote-dir> </local-dir>`