diff --git a/scripts/pyinstaller/ileapp.spec b/scripts/pyinstaller/ileapp.spec
index ed51cdda5..eb0a4bd86 100755
--- a/scripts/pyinstaller/ileapp.spec
+++ b/scripts/pyinstaller/ileapp.spec
@@ -1,49 +1,50 @@
-# -*- mode: python ; coding: utf-8 -*-
-
-block_cipher = None
-
-a = Analysis(['..\\..\\ileapp.py'],
-             pathex=['..\\scripts\\artifacts'],
-             binaries=[],
-             datas=[('..\\', '.\\scripts')],
-             hiddenimports=[
-                'astc_decomp_faster',
-                'bencoding',
-                'blackboxprotobuf',
-                'Crypto.Cipher.AES',
-                'ijson',
-                'lib2to3.refactor',
-                'liblzfse',
-                'mdplist',
-                'mmh3',
-                'nska_deserialize',
-                'pandas',
-                'pgpy',
-                'pillow_heif',
-                'typedstream',
-                'xml.etree.ElementTree',
-                ],
-             hookspath=['./'],
-             runtime_hooks=[],
-             excludes=[],
-             win_no_prefer_redirects=False,
-             win_private_assemblies=False,
-             cipher=block_cipher,
-             noarchive=False)
-pyz = PYZ(a.pure, a.zipped_data,
-             cipher=block_cipher)
-exe = EXE(pyz,
-          a.scripts,
-          a.binaries,
-          a.zipfiles,
-          a.datas,
-          [],
-          name='ileapp',
-          debug=False,
-          bootloader_ignore_signals=False,
-          strip=False,
-          upx=True,
-          upx_exclude=[],
-          runtime_tmpdir=None,
-          version='ileapp-file_version_info.txt',
-          console=True )
+# -*- mode: python ; coding: utf-8 -*-
+
+block_cipher = None
+
+a = Analysis(['..\\..\\ileapp.py'],
+             pathex=['..\\scripts\\artifacts', '..\\..'],
+             binaries=[],
+             datas=[('..\\', '.\\scripts'), ('..\\..\\assets', '.\\assets'), ('..\\..\\leapp_functions', '.\\leapp_functions')],
+             hiddenimports=[
+        'leapp_functions.parsers.apple_atx',
+                'astc_decomp_faster',
+                'bencoding',
+                'blackboxprotobuf',
+                'Crypto.Cipher.AES',
+                'ijson',
+                'lib2to3.refactor',
+                'liblzfse',
+                'mdplist',
+                'mmh3',
+                'nska_deserialize',
+                'pandas',
+                'pgpy',
+                'pillow_heif',
+                'typedstream',
+                'xml.etree.ElementTree',
+                ],
+             hookspath=['./'],
+             runtime_hooks=[],
+             excludes=['scipy', 'matplotlib', 'pyarrow'],
+             win_no_prefer_redirects=False,
+             win_private_assemblies=False,
+             cipher=block_cipher,
+             noarchive=False)
+pyz = PYZ(a.pure, a.zipped_data,
+             cipher=block_cipher)
+exe = EXE(pyz,
+          a.scripts,
+          a.binaries,
+          a.zipfiles,
+          a.datas,
+          [],
+          name='ileapp',
+          debug=False,
+          bootloader_ignore_signals=False,
+          strip=False,
+          upx=True,
+          upx_exclude=[],
+          runtime_tmpdir=None,
+          version='ileapp-file_version_info.txt',
+          console=True )
diff --git a/scripts/pyinstaller/ileappGUI.spec b/scripts/pyinstaller/ileappGUI.spec
index 56b88346f..d11d99181 100755
--- a/scripts/pyinstaller/ileappGUI.spec
+++ b/scripts/pyinstaller/ileappGUI.spec
@@ -1,50 +1,51 @@
-# -*- mode: python ; coding: utf-8 -*-
-
-block_cipher = None
-
-a = Analysis(['..\\..\\ileappGUI.py'],
-             pathex=['..\\scripts\\artifacts'],
-             binaries=[],
-             datas=[('..\\', '.\\scripts'), ('..\\..\\assets', '.\\assets')],
-             hiddenimports=[
-                'astc_decomp_faster',
-                'bencoding',
-                'blackboxprotobuf',
-                'Crypto.Cipher.AES',
-                'ijson',
-                'lib2to3.refactor',
-                'liblzfse',
-                'mdplist',
-                'mmh3',
-                'nska_deserialize',
-                'pandas',
-                'pgpy',
-                'pillow_heif',
-                'typedstream',
-                'xml.etree.ElementTree',
-                ],
-             runtime_hooks=[],
-             excludes=[],
-             win_no_prefer_redirects=False,
-             win_private_assemblies=False,
-             cipher=block_cipher,
-             noarchive=False)
-pyz = PYZ(a.pure, a.zipped_data,
-             cipher=block_cipher)
-exe = EXE(pyz,
-          a.scripts,
-          a.binaries,
-          a.zipfiles,
-          a.datas,
-          [],
-          name='ileappGUI',
-          debug=False,
-          bootloader_ignore_signals=False,
-          strip=False,
-          upx=True,
-          console=True,
-	       hide_console='hide-early',
-	       disable_windowed_traceback=False,
-          upx_exclude=[],
-          version='ileappGUI-file_version_info.txt',
-          runtime_tmpdir=None )
+# -*- mode: python ; coding: utf-8 -*-
+
+block_cipher = None
+
+a = Analysis(['..\\..\\ileappGUI.py'],
+             pathex=['..\\scripts\\artifacts', '..\\..'],
+             binaries=[],
+             datas=[('..\\', '.\\scripts'), ('..\\..\\assets', '.\\assets'), ('..\\..\\leapp_functions', '.\\leapp_functions')],
+             hiddenimports=[
+        'leapp_functions.parsers.apple_atx',
+                'astc_decomp_faster',
+                'bencoding',
+                'blackboxprotobuf',
+                'Crypto.Cipher.AES',
+                'ijson',
+                'lib2to3.refactor',
+                'liblzfse',
+                'mdplist',
+                'mmh3',
+                'nska_deserialize',
+                'pandas',
+                'pgpy',
+                'pillow_heif',
+                'typedstream',
+                'xml.etree.ElementTree',
+                ],
+             runtime_hooks=[],
+             excludes=['scipy', 'matplotlib', 'pyarrow'],
+             win_no_prefer_redirects=False,
+             win_private_assemblies=False,
+             cipher=block_cipher,
+             noarchive=False)
+pyz = PYZ(a.pure, a.zipped_data,
+             cipher=block_cipher)
+exe = EXE(pyz,
+          a.scripts,
+          a.binaries,
+          a.zipfiles,
+          a.datas,
+          [],
+          name='ileappGUI',
+          debug=False,
+          bootloader_ignore_signals=False,
+          strip=False,
+          upx=True,
+          console=True,
+	       hide_console='hide-early',
+	       disable_windowed_traceback=False,
+          upx_exclude=[],
+          version='ileappGUI-file_version_info.txt',
+          runtime_tmpdir=None )
diff --git a/scripts/pyinstaller/ileappGUI_Linux.spec b/scripts/pyinstaller/ileappGUI_Linux.spec
index 4a399e40d..bf068902d 100755
--- a/scripts/pyinstaller/ileappGUI_Linux.spec
+++ b/scripts/pyinstaller/ileappGUI_Linux.spec
@@ -3,10 +3,11 @@
 
 a = Analysis(
     ['../../ileappGUI.py'],
-    pathex=['../scripts/artifacts'],
+    pathex=['../scripts/artifacts', '../..'],
     binaries=[],
-    datas=[('../', 'scripts'), ('../../assets', 'assets')],
+    datas=[('../', 'scripts'), ('../../assets', 'assets'), ('../../leapp_functions', 'leapp_functions')],
     hiddenimports=[
+        'leapp_functions.parsers.apple_atx',
         'astc_decomp_faster',
         'bencoding',
         'blackboxprotobuf',
@@ -27,7 +28,7 @@ a = Analysis(
     hookspath=[],
     hooksconfig={},
     runtime_hooks=[],
-    excludes=[],
+    excludes=['scipy', 'matplotlib', 'pyarrow'],
     noarchive=False,
 )
 pyz = PYZ(a.pure)
diff --git a/scripts/pyinstaller/ileappGUI_macOS.spec b/scripts/pyinstaller/ileappGUI_macOS.spec
index 253dfdb23..8ba75aab7 100755
--- a/scripts/pyinstaller/ileappGUI_macOS.spec
+++ b/scripts/pyinstaller/ileappGUI_macOS.spec
@@ -3,10 +3,11 @@
 
 a = Analysis(
     ['../../ileappGUI.py'],
-    pathex=['../scripts/artifacts'],
+    pathex=['../scripts/artifacts', '../..'],
     binaries=[],
-    datas=[('../', 'scripts'), ('../../assets', 'assets')],
+    datas=[('../', 'scripts'), ('../../assets', 'assets'), ('../../leapp_functions', 'leapp_functions')],
     hiddenimports=[
+        'leapp_functions.parsers.apple_atx',
         'astc_decomp_faster',
         'bencoding',
         'blackboxprotobuf',
@@ -26,7 +27,7 @@ a = Analysis(
     hookspath=[],
     hooksconfig={},
     runtime_hooks=[],
-    excludes=[],
+    excludes=['scipy', 'matplotlib', 'pyarrow'],
     noarchive=False,
 )
 pyz = PYZ(a.pure)
diff --git a/scripts/pyinstaller/ileapp_Linux.spec b/scripts/pyinstaller/ileapp_Linux.spec
index 179982d0e..c621fbc35 100755
--- a/scripts/pyinstaller/ileapp_Linux.spec
+++ b/scripts/pyinstaller/ileapp_Linux.spec
@@ -3,10 +3,11 @@
 
 a = Analysis(
     ['../../ileapp.py'],
-    pathex=['../scripts/artifacts'],
+    pathex=['../scripts/artifacts', '../..'],
     binaries=[],
-    datas=[('../', 'scripts')],
+    datas=[('../', 'scripts'), ('../../assets', 'assets'), ('../../leapp_functions', 'leapp_functions')],
     hiddenimports=[
+        'leapp_functions.parsers.apple_atx',
         'astc_decomp_faster',
         'bencoding',
         'blackboxprotobuf',
@@ -26,7 +27,7 @@ a = Analysis(
     hookspath=[],
     hooksconfig={},
     runtime_hooks=[],
-    excludes=[],
+    excludes=['scipy', 'matplotlib', 'pyarrow'],
     noarchive=False,
 )
 pyz = PYZ(a.pure)
diff --git a/scripts/pyinstaller/ileapp_macOS.spec b/scripts/pyinstaller/ileapp_macOS.spec
index 582334140..4cf0c14f8 100644
--- a/scripts/pyinstaller/ileapp_macOS.spec
+++ b/scripts/pyinstaller/ileapp_macOS.spec
@@ -3,10 +3,11 @@
 
 a = Analysis(
     ['../../ileapp.py'],
-    pathex=['../scripts/artifacts'],
+    pathex=['../scripts/artifacts', '../..'],
     binaries=[],
-    datas=[('../', 'scripts')],
+    datas=[('../', 'scripts'), ('../../assets', 'assets'), ('../../leapp_functions', 'leapp_functions')],
     hiddenimports=[
+        'leapp_functions.parsers.apple_atx',
         'astc_decomp_faster',
         'bencoding',
         'blackboxprotobuf',
@@ -26,7 +27,7 @@ a = Analysis(
     hookspath=[],
     hooksconfig={},
     runtime_hooks=[],
-    excludes=[],
+    excludes=['scipy', 'matplotlib', 'pyarrow'],
     noarchive=False,
 )
 pyz = PYZ(a.pure)
diff --git a/scripts/report.py b/scripts/report.py
index 24c6332af..03c9024e8 100644
--- a/scripts/report.py
+++ b/scripts/report.py
@@ -5,9 +5,18 @@
 
 import html
 import os
+import sys
 from pathlib import Path
 import shutil
 
+
+def _base_dir():
+    """Directory holding bundled data (assets/, scripts/data/). In a PyInstaller
+    build this is sys._MEIPASS; running from source it is the cwd (repo root).
+    Resolving from here (not Path.cwd()) lets a packaged binary find its assets
+    no matter which directory it is launched from."""
+    return Path(getattr(sys, "_MEIPASS", Path.cwd()))
+
 from collections import OrderedDict
 from scripts.html_parts import nav_bar_script, nav_bar_script_footer, \
     page_header, page_footer, body_start, body_end, body_sidebar_setup, body_sidebar_trailer, \
@@ -23,7 +32,7 @@
 
 def get_tabler_icon_names():
     """Returns a set of available tabler icon names by scanning the tabler_icons directory."""
-    for _, dirs, files in Path.cwd().joinpath("assets/tabler_icons").walk():
+    for _, dirs, files in _base_dir().joinpath("assets/tabler_icons").walk():
         if '__pycache__' in dirs:
             dirs.remove('__pycache__')
         return set(file.replace('.svg', '') for file in files if file.endswith('.svg'))
@@ -31,7 +40,7 @@ def get_tabler_icon_names():
 
 def get_tabler_icon(icon_name):
     """Return the SVG contents for a Tabler icon by name."""
-    return get_txt_file_content(Path.cwd().joinpath("assets/tabler_icons", f"{icon_name}.svg"))
+    return get_txt_file_content(_base_dir().joinpath("assets/tabler_icons", f"{icon_name}.svg"))
 
 
 def generate_report(reportfolderbase, time_in_secs, time_hms, extraction_type, image_input_path,
@@ -42,8 +51,8 @@ def generate_report(reportfolderbase, time_in_secs, time_hms, extraction_type, i
     """
 
     tabler_icon_names = get_tabler_icon_names()
-    tabler_icon_correction = get_json_file_content('scripts/data/tabler_icon_correction.json')
-    feather_to_tabler_icon_names = get_json_file_content('scripts/data/feather_to_tabler_icon_names.json')
+    tabler_icon_correction = get_json_file_content(str(_base_dir() / 'scripts/data/tabler_icon_correction.json'))
+    feather_to_tabler_icon_names = get_json_file_content(str(_base_dir() / 'scripts/data/feather_to_tabler_icon_names.json'))
 
     control = None
     side_heading = \