diff --git a/Penumbra/Importer/TexToolsImport.cs b/Penumbra/Importer/TexToolsImport.cs
index ae69bd95..ca6a1fc3 100644
--- a/Penumbra/Importer/TexToolsImport.cs
+++ b/Penumbra/Importer/TexToolsImport.cs
@@ -50,11 +50,8 @@ namespace Penumbra.Importer
             _resolvedTempFilePath = Path.Combine( _outDirectory.FullName, TempFileName );
         }
 
-        private static string ReplaceBadXivSymbols( string source )
-            => source.ReplaceInvalidPathSymbols().RemoveNonAsciiSymbols();
-
         private static DirectoryInfo NewOptionDirectory( DirectoryInfo baseDir, string optionName )
-            => new( Path.Combine( baseDir.FullName, ReplaceBadXivSymbols( optionName ) ) );
+            => new( Path.Combine( baseDir.FullName, optionName.ReplaceBadXivSymbols() ) );
 
         public void ImportModPack( FileInfo modPackFile )
         {
@@ -197,7 +194,12 @@ namespace Penumbra.Importer
 
         public static DirectoryInfo CreateModFolder( DirectoryInfo outDirectory, string modListName )
         {
-            var newModFolderBase = NewOptionDirectory( outDirectory, Path.GetFileName( modListName ) );
+            var name             = Path.GetFileName( modListName );
+            if( !name.Any() )
+            {
+                name = "_";
+            }
+            var newModFolderBase = NewOptionDirectory( outDirectory, name );
             var newModFolder     = newModFolderBase;
             var i                = 2;
             while( newModFolder.Exists && i < 12 )
diff --git a/Penumbra/Meta/MetaManager.cs b/Penumbra/Meta/MetaManager.cs
index e4d044e2..46780430 100644
--- a/Penumbra/Meta/MetaManager.cs
+++ b/Penumbra/Meta/MetaManager.cs
@@ -123,7 +123,7 @@ namespace Penumbra.Meta
             _resolvedFiles = resolvedFiles;
             _default = Service< MetaDefaults >.Get();
             _resourceManagement = Service< GameResourceManagement >.Get();
-            _dir = new DirectoryInfo( Path.Combine( modDir.FullName, TmpDirectory, name.ReplaceInvalidPathSymbols().RemoveNonAsciiSymbols() ) );
+            _dir = new DirectoryInfo( Path.Combine( modDir.FullName, TmpDirectory, name.ReplaceBadXivSymbols() ) );
             ClearDirectory();
         }
 
diff --git a/Penumbra/Mod/ModData.cs b/Penumbra/Mod/ModData.cs
index 8efe3f9d..013bc459 100644
--- a/Penumbra/Mod/ModData.cs
+++ b/Penumbra/Mod/ModData.cs
@@ -25,7 +25,7 @@ namespace Penumbra.Mod
             Meta      = meta;
             Resources = resources;
             MetaFile  = MetaFileInfo( basePath );
-            SortOrder = meta.Name;
+            SortOrder = meta.Name.Replace( '/', '\\' );
             ComputeChangedItems();
         }
 
diff --git a/Penumbra/Mods/ModManager.cs b/Penumbra/Mods/ModManager.cs
index f78d62d2..606bd2f7 100644
--- a/Penumbra/Mods/ModManager.cs
+++ b/Penumbra/Mods/ModManager.cs
@@ -138,6 +138,11 @@ namespace Penumbra.Mods
                 return false;
             }
 
+            if( Config.ModSortOrder.TryGetValue( mod.BasePath.Name, out var sortOrder ) )
+            {
+                mod.SortOrder = sortOrder;
+            }
+
             if( Mods.ContainsKey( modFolder.Name ) )
             {
                 return false;
@@ -166,6 +171,14 @@ namespace Penumbra.Mods
             if( metaChanges || fileChanges.HasFlag( ResourceChange.Files ) )
             {
                 mod.ComputeChangedItems();
+                if( Config.ModSortOrder.TryGetValue( mod.BasePath.Name, out var sortOrder ) )
+                {
+                    mod.SortOrder = sortOrder;
+                }
+                else
+                {
+                    mod.SortOrder = mod.Meta.Name.Replace( '/', '\\' );
+                }
             }
 
             var nameChange = !string.Equals( oldName, mod.Meta.Name, StringComparison.InvariantCulture );
diff --git a/Penumbra/Mods/ModManagerEditExtensions.cs b/Penumbra/Mods/ModManagerEditExtensions.cs
index a1b97345..c3fd1efe 100644
--- a/Penumbra/Mods/ModManagerEditExtensions.cs
+++ b/Penumbra/Mods/ModManagerEditExtensions.cs
@@ -39,9 +39,10 @@ namespace Penumbra.Mods
                 return false;
             }
 
-            if( newSortOrder == string.Empty || newSortOrder == mod.Meta.Name )
+            var modName = mod.Meta.Name.Replace( '/', '\\' );
+            if( newSortOrder == string.Empty || newSortOrder == modName )
             {
-                mod.SortOrder = mod.Meta.Name;
+                mod.SortOrder = modName;
                 manager.Config.ModSortOrder.Remove( mod.BasePath.Name );
             }
             else
diff --git a/Penumbra/UI/MenuTabs/TabInstalled/TabInstalledModPanel.cs b/Penumbra/UI/MenuTabs/TabInstalled/TabInstalledModPanel.cs
index 4e2ed774..8b3a3ad3 100644
--- a/Penumbra/UI/MenuTabs/TabInstalled/TabInstalledModPanel.cs
+++ b/Penumbra/UI/MenuTabs/TabInstalled/TabInstalledModPanel.cs
@@ -254,7 +254,8 @@ namespace Penumbra.UI
 
             private void DrawOpenModFolderButton()
             {
-                if( ImGui.Button( ButtonOpenModFolder ) )
+                Mod!.Data.BasePath.Refresh();
+                if( ImGui.Button( ButtonOpenModFolder ) && Mod.Data.BasePath.Exists )
                 {
                     Process.Start( Mod!.Data.BasePath.FullName );
                 }
@@ -270,7 +271,7 @@ namespace Penumbra.UI
 
             private void RenameModFolder( string newName )
             {
-                _newName = newName.RemoveNonAsciiSymbols().RemoveInvalidPathSymbols();
+                _newName = newName.ReplaceBadXivSymbols();
                 if( _newName.Length == 0 )
                 {
                     PluginLog.Debug( "New Directory name {NewName} was empty after removing invalid symbols.", newName );
diff --git a/Penumbra/UI/MenuTabs/TabInstalled/TabInstalledSelector.cs b/Penumbra/UI/MenuTabs/TabInstalled/TabInstalledSelector.cs
index 6bb8df03..1f8c1d4c 100644
--- a/Penumbra/UI/MenuTabs/TabInstalled/TabInstalledSelector.cs
+++ b/Penumbra/UI/MenuTabs/TabInstalled/TabInstalledSelector.cs
@@ -157,7 +157,7 @@ namespace Penumbra.UI
                             var modMeta = new ModMeta
                             {
                                 Author      = "Unknown",
-                                Name        = newName,
+                                Name        = newName.Replace('/', '\\'),
                                 Description = string.Empty,
                             };
 
diff --git a/Penumbra/Util/StringPathExtensions.cs b/Penumbra/Util/StringPathExtensions.cs
index 9c9f4f5a..1e309cac 100644
--- a/Penumbra/Util/StringPathExtensions.cs
+++ b/Penumbra/Util/StringPathExtensions.cs
@@ -1,3 +1,4 @@
+using System.Collections.Generic;
 using System.IO;
 using System.Text;
 
@@ -5,27 +6,60 @@ namespace Penumbra.Util
 {
     public static class StringPathExtensions
     {
-        private static readonly char[] Invalid = Path.GetInvalidFileNameChars();
+        private static readonly HashSet< char > Invalid = new( Path.GetInvalidFileNameChars() );
 
         public static string ReplaceInvalidPathSymbols( this string s, string replacement = "_" )
-            => string.Join( replacement, s.Split( Invalid ) );
-
-        public static string RemoveInvalidPathSymbols( this string s )
-            => string.Concat( s.Split( Invalid ) );
-
-        public static string RemoveNonAsciiSymbols( this string s, string replacement = "_" )
         {
             StringBuilder sb = new( s.Length );
             foreach( var c in s )
             {
-                if( c < 128 )
+                if( Invalid.Contains( c ) )
                 {
-                    sb.Append( c );
+                    sb.Append( replacement );
                 }
                 else
+                {
+                    sb.Append( c );
+                }
+            }
+
+            return sb.ToString();
+        }
+
+        public static string RemoveInvalidPathSymbols( this string s )
+            => string.Concat( s.Split( Path.GetInvalidFileNameChars() ) );
+
+        public static string ReplaceNonAsciiSymbols( this string s, string replacement = "_" )
+        {
+            StringBuilder sb = new( s.Length );
+            foreach( var c in s )
+            {
+                if( c >= 128 )
                 {
                     sb.Append( replacement );
                 }
+                else
+                {
+                    sb.Append( c );
+                }
+            }
+
+            return sb.ToString();
+        }
+
+        public static string ReplaceBadXivSymbols( this string s, string replacement = "_" )
+        {
+            StringBuilder sb = new( s.Length );
+            foreach( var c in s )
+            {
+                if( c >= 128 || Invalid.Contains( c ) )
+                {
+                    sb.Append( replacement );
+                }
+                else
+                {
+                    sb.Append( c );
+                }
             }
 
             return sb.ToString();