Updated Troubleshooting (markdown)

Troubleshooting.md

@@ -183,4 +183,52 @@ apprise -vv -t "Multi-line Variable Example" -b "$MULTILINE_VAR" \
 # Note: to preserve the new lines, be sure to wrap your
 #       variable in quotes (like example does above).
 
-```
+```
+
+## Pyinstaller Support
+[Pyinstaller](https://pyinstaller.org/) allows to package a python application with its dependencies in a single exe.
+
+It is possible to package an application that is using Apprise but there is a trick.
+
+Let's take a simple script :
+
+```python
+import apprise
+apobj = apprise.Apprise()
+apobj.add('<SCHEME>://<FQDN>/<TOKEN>')
+apobj.notify(title="a title", body="this is the body of the notification")
+```
+
+Then package with pytinstaller :
+
+```shell
+pyinstaller -F myscript.py
+```
+
+And launch it 
+
+```shell
+./dist/myscript
+```
+
+
+We get 
+
+```shell
+FileNotFoundError: [Errno 2] No such file or directory: '/tmp/_MEIEbGkgo/apprise/attachment'
+or
+FileNotFoundError: [Errno 2] No such file or directory: '/tmp/_MEIEbGkgo/apprise/plugins'
+or
+FileNotFoundError: [Errno 2] No such file or directory: '/tmp/_MEIEbGkgo/apprise/config'
+```
+
+We have to use `--collect-all` option which, according to documentation :
+
+> Collect all submodules, data files, and binaries from the specified package or module. This option can be used multiple times.
+
+```shell
+pyinstaller -F --collect-all apprise myscript.py
+```
+
+No more errors, notifications are sent.
+