diff --git a/Troubleshooting.md b/Troubleshooting.md
index 61126f8..25edd01 100644
--- a/Troubleshooting.md
+++ b/Troubleshooting.md
@@ -50,6 +50,7 @@ Then to add it back :GenTocRedCarpet
     * [Re-running application does nothing](#re-running-application-does-nothing)
     * [Application won't run under Windows 7](#application-won-39-t-run-under-windows-7)
     * [Last logged "Locale LC_ALL: ..."](#last-logged-quot-locale-lc_all-quot)
+    * [Logfile permission error](#logfile-permission-error)
 * [Problems with Frontier Authentication](#problems-with-frontier-authentication)
     * [It's asking for auth again after 25 days](#it-39-s-asking-for-auth-again-after-25-days)
     * [App is stuck on 'Logging in...'](#app-is-stuck-on-39-logging-in-39)
@@ -492,6 +493,21 @@ for 'Control Panel' in the Start Menu.  Alternatively.
 
 <!-- vim-markdown-toc Redcarpet -->
 
+<a name='logfile-permission-error'></a>
+
+<!-- vim-markdown-toc -->
+## Logfile permission error
+
+Particularly if running under Linux, if you encounter an error:
+
+```python
+PermissionError: [Errno 13] Permission denied: '/tmp/EDMarketConnector/EDMarketConnector-debug.log'
+```
+then please consult
+[advice on ensuring log files can be written](Running-from-source.md#ensure-log-files-can-be-written).
+
+<!-- vim-markdown-toc Redcarpet -->
+
 <a name='problems-with-frontier-authentication'></a>
 
 <!-- vim-markdown-toc -->