diff --git a/.github/workflows/build.yaml b/.github/workflows/build.yaml
index 6d5ec570..d33b5ad7 100644
--- a/.github/workflows/build.yaml
+++ b/.github/workflows/build.yaml
@@ -124,15 +124,15 @@ jobs:
       shell: cmd
       run: pyinstaller FastFlix_Windows_Installer.spec
 
-    - uses: skymatic/code-sign-action@v1
-      with:
-        certificate: '${{ secrets.CODE_CERT_B64 }}'
-        password: '${{ secrets.CODE_CERT_PASS }}'
-        certificatesha1: '${{ secrets.CODE_CERT_THUMB }}'
-        description: 'FastFlix'
-        timestampUrl: 'http://timestamp.sectigo.com'
-        folder: 'dist\FastFlix'
-        recursive: false
+#    - uses: skymatic/code-sign-action@v1
+#      with:
+#        certificate: '${{ secrets.CODE_CERT_B64 }}'
+#        password: '${{ secrets.CODE_CERT_PASS }}'
+#        certificatesha1: '${{ secrets.CODE_CERT_THUMB }}'
+#        description: 'FastFlix'
+#        timestampUrl: 'http://timestamp.sectigo.com'
+#        folder: 'dist\FastFlix'
+#        recursive: false
 
     - name: Package installer
       shell: cmd
@@ -140,15 +140,15 @@ jobs:
         makensis.exe /INPUTCHARSET UTF8 /DVERSION=${{ env.EXACT_VERSION }} /DPRODUCT_VERSION=${{ env.PRODUCT_VERSION }} FastFlix.nsi
         move FastFlix_installer.exe dist\FastFlix_${{ env.VERSION }}_installer.exe
 
-    - uses: skymatic/code-sign-action@v1
-      with:
-        certificate: '${{ secrets.CODE_CERT_B64 }}'
-        password: '${{ secrets.CODE_CERT_PASS }}'
-        certificatesha1: '${{ secrets.CODE_CERT_THUMB }}'
-        description: 'FastFlix'
-        timestampUrl: 'http://timestamp.sectigo.com'
-        folder: 'dist'
-        recursive: false
+#    - uses: skymatic/code-sign-action@v1
+#      with:
+#        certificate: '${{ secrets.CODE_CERT_B64 }}'
+#        password: '${{ secrets.CODE_CERT_PASS }}'
+#        certificatesha1: '${{ secrets.CODE_CERT_THUMB }}'
+#        description: 'FastFlix'
+#        timestampUrl: 'http://timestamp.sectigo.com'
+#        folder: 'dist'
+#        recursive: false
 
     - name: Test executable
       run: |
diff --git a/CHANGES b/CHANGES
index fcba189d..e239d2a2 100644
--- a/CHANGES
+++ b/CHANGES
@@ -1,5 +1,12 @@
 # Changelog
 
+## Version 5.8.2
+
+* Fixing #610 Do not try to divide by zero if HDR metadata has bad values (thanks to Noelle Leigh)
+* Fixing #616 replace correct cmd line option for IDC level (thanks to pkleinejaeger)
+* Fixing too long of log file names could crash, limiting filename to 220 characters (thanks to ProFile)
+* Removing code signing as cert has expired
+
 ## Version 5.8.1
 
 * Fixing #598 'dict' object has no attribute 'to_yaml' (thanks to dmo marillat)
diff --git a/README.md b/README.md
index 265dc422..cd72f9ee 100644
--- a/README.md
+++ b/README.md
@@ -124,10 +124,6 @@ FastFlix (v4.0.2+) passes through HLG color transfer information to everything e
 
 FastFlix does not plan to support Dolby Vision's proprietary format at this time.
 
-# Support FastFlix
-
-Check out the different ways you can help [support FastFlix](https://github.com/cdgriffith/FastFlix/wiki/Support-FastFlix)!
-
 # Multilingual Support
 
 FastFlix is machine translated using DeepL into Spanish (español), French (Français), German (Deutsch), 
diff --git a/fastflix/conversion_worker.py b/fastflix/conversion_worker.py
index 526bdb60..e00c4ae6 100644
--- a/fastflix/conversion_worker.py
+++ b/fastflix/conversion_worker.py
@@ -39,7 +39,7 @@ def start_command():
         log_queue.put(f"CLEAR_WINDOW:{video_uuid}:{command_uuid}")
         reusables.remove_file_handlers(logger)
         new_file_handler = reusables.get_file_handler(
-            log_path / sanitize_filename(f"flix_conversion_{log_name}_{file_date()}.log"),
+            log_path / sanitize_filename(f"flix_conversion_{log_name[:64]}_{file_date()}.log"),
             level=logging.DEBUG,
             log_format="%(asctime)s - %(message)s",
             encoding="utf-8",
diff --git a/fastflix/data/languages.yaml b/fastflix/data/languages.yaml
index 8900e7fd..aa6bd315 100644
--- a/fastflix/data/languages.yaml
+++ b/fastflix/data/languages.yaml
@@ -4953,21 +4953,6 @@ Success:
   ukr: Успіх
   kor: 성공
   ron: Succes
-Support FastFlix:
-  deu: Unterstützt FastFlix
-  eng: Support FastFlix
-  fra: Soutenez FastFlix
-  ita: Supporto FastFlix
-  spa: Soporta FastFlix
-  chs: 支持FastFlix
-  jpn: FastFlixを応援/寄付
-  rus: Поддержка FastFlix
-  por: Suporte FastFlix
-  swe: Stöd för FastFlix
-  pol: Obsługa FastFlix
-  ukr: Підтримка FastFlix
-  kor: FastFlix 지원
-  ron: Sprijină FastFlix
 Supported Image Files:
   deu: Unterstützte Bilddateien
   eng: Supported Image Files
@@ -8730,7 +8715,7 @@ Drag and Drop to reorder:
   eng: Drag and Drop to reorder
   deu: Ziehen und Ablegen zum Neuordnen
   fra: Glisser et déposer pour réorganiser
-  ita: Per riordinare trascina e rilascia 
+  ita: Per riordinare trascina e rilascia
   spa: Arrastrar y soltar para reordenar
   chs: 拖放重新排序
   jpn: ドラッグ＆ドロップで並び替え
diff --git a/fastflix/encoders/vvc/command_builder.py b/fastflix/encoders/vvc/command_builder.py
index cd996142..5d55c123 100644
--- a/fastflix/encoders/vvc/command_builder.py
+++ b/fastflix/encoders/vvc/command_builder.py
@@ -87,7 +87,7 @@ def build(fastflix: FastFlix):
         beginning += f"-tier:v {settings.tier} "
 
     if settings.levelidc:
-        beginning += f"-levelidc {settings.levelidc} "
+        beginning += f"-level {settings.levelidc} "
 
     vvc_params = settings.vvc_params.copy() or []
 
diff --git a/fastflix/flix.py b/fastflix/flix.py
index 73e0b064..dd4c7a42 100644
--- a/fastflix/flix.py
+++ b/fastflix/flix.py
@@ -486,7 +486,12 @@ def convert_mastering_display(data: Box) -> Tuple[Box, str]:
     cll = None
 
     def s(a, v, base=50_000):
-        upper, lower = [int(x) for x in a.get(v, "0/0").split("/")]
+        try:
+            upper, lower = [int(x) for x in a.get(v, "0/0").split("/")]
+        except ValueError:
+            raise FlixError(f"Could not parse HDR value {a} from {v}")
+        if lower <= 0:  # avoid division by zero
+            raise FlixError(f"HDR value outside expected range, {v} was {a}")
         if lower != base:
             upper *= base / lower
         value = int(upper)
diff --git a/fastflix/version.py b/fastflix/version.py
index 94a1f608..60506bfb 100644
--- a/fastflix/version.py
+++ b/fastflix/version.py
@@ -1,4 +1,4 @@
 #!/usr/bin/env python
 # -*- coding: utf-8 -*-
-__version__ = "5.8.1"
+__version__ = "5.8.2"
 __author__ = "Chris Griffith"
diff --git a/fastflix/widgets/about.py b/fastflix/widgets/about.py
index 4d02a86d..85976b56 100644
--- a/fastflix/widgets/about.py
+++ b/fastflix/widgets/about.py
@@ -35,14 +35,6 @@ def __init__(self, app):
         label.setSizePolicy(QtWidgets.QSizePolicy.Expanding, QtWidgets.QSizePolicy.Expanding)
         layout.addWidget(label)
 
-        support_label = QtWidgets.QLabel(
-            f'{link("https://github.com/cdgriffith/FastFlix/wiki/Support-FastFlix", t("Support FastFlix"), app.fastflix.config.theme)}<br><br>'
-        )
-        support_label.setOpenExternalLinks(True)
-        support_label.setFont(QtGui.QFont(self.app.font().family(), 12))
-        support_label.setAlignment((QtCore.Qt.AlignCenter | QtCore.Qt.AlignTop))
-        layout.addWidget(support_label)
-
         bundle_label = QtWidgets.QLabel(
             f"{t('Conversion suites')}: {link('https://www.ffmpeg.org/download.html', 'FFmpeg', app.fastflix.config.theme)} ({t('Various')}), "
             f"{link('https://github.com/rigaya/NVEnc', 'NVEncC', app.fastflix.config.theme)} (MIT) "
diff --git a/fastflix/widgets/main.py b/fastflix/widgets/main.py
index ed993854..db164960 100644
--- a/fastflix/widgets/main.py
+++ b/fastflix/widgets/main.py
@@ -226,6 +226,7 @@ def __init__(self, parent, app: FastFlixApp):
         self.output_video_path_widget.setFixedHeight(20)
         self.output_video_path_widget.setFont(QtGui.QFont(self.app.font().family(), 9))
         self.output_video_path_widget.setStyleSheet("padding: 0 0 -1px 5px")
+        self.output_video_path_widget.setMaxLength(220)
 
         # self.output_video_path_widget.textChanged.connect(lambda x: self.page_update(build_thumbnail=False))
         self.video_path_widget.setEnabled(False)