diff --git a/BinaryObjectScanner/Packer/InnoSetup.cs b/BinaryObjectScanner/Packer/InnoSetup.cs
index bf1fecba..fbf24ab3 100644
--- a/BinaryObjectScanner/Packer/InnoSetup.cs
+++ b/BinaryObjectScanner/Packer/InnoSetup.cs
@@ -59,19 +59,27 @@ namespace BinaryObjectScanner.Packer
 
             // TODO: Don't read entire file
             // TODO: Only 64 bytes at the end of the file is needed
-            var data = nex.ReadArbitraryRange();
-            if (data != null)
+
+            byte[]? data;
+            try
             {
-                var matchers = new List<ContentMatchSet>
+                data = nex.ReadArbitraryRange();
+                if (data == null)
+                    return "Unknown 1.X";
+            }
+            catch
+            {
+                // Ignore errors reading ranges
+                return "Unknown 1.X";
+            }
+
+            var matchers = new List<ContentMatchSet>
                 {
                     // "rDlPtS02" + (char)0x87 + "eVx"
                     new(new byte?[] { 0x72, 0x44, 0x6C, 0x50, 0x74, 0x53, 0x30, 0x32, 0x87, 0x65, 0x56, 0x78 }, "1.2.16 or earlier"),
                 };
 
-                return MatchUtil.GetFirstMatch(file, data, matchers, false) ?? "Unknown 1.X";
-            }
-
-            return "Unknown 1.X";
+            return MatchUtil.GetFirstMatch(file, data, matchers, false) ?? "Unknown 1.X";
         }
     }
 }
diff --git a/BinaryObjectScanner/Protection/CDDVDCops.cs b/BinaryObjectScanner/Protection/CDDVDCops.cs
index cae8ffcd..c708f468 100644
--- a/BinaryObjectScanner/Protection/CDDVDCops.cs
+++ b/BinaryObjectScanner/Protection/CDDVDCops.cs
@@ -73,9 +73,18 @@ namespace BinaryObjectScanner.Protection
         public string? CheckExecutable(string file, NewExecutable nex, bool includeDebug)
         {
             // TODO: Don't read entire file
-            var data = nex.ReadArbitraryRange();
-            if (data == null)
+            byte[]? data;
+            try
+            {
+                data = nex.ReadArbitraryRange();
+                if (data == null)
+                    return null;
+            }
+            catch
+            {
+                // Ignore errors reading ranges
                 return null;
+            }
 
             // TODO: Figure out what NE section this lives in
             var neMatchSets = new List<ContentMatchSet>
diff --git a/BinaryObjectScanner/Protection/Macrovision.SafeCast.cs b/BinaryObjectScanner/Protection/Macrovision.SafeCast.cs
index cad31fc5..48905e21 100644
--- a/BinaryObjectScanner/Protection/Macrovision.SafeCast.cs
+++ b/BinaryObjectScanner/Protection/Macrovision.SafeCast.cs
@@ -52,9 +52,18 @@ namespace BinaryObjectScanner.Protection
             }
 
             // TODO: Don't read entire file
-            var data = nex.ReadArbitraryRange();
-            if (data == null)
+            byte[]? data;
+            try
+            {
+                data = nex.ReadArbitraryRange();
+                if (data == null)
+                    return null;
+            }
+            catch
+            {
+                // Ignore errors reading ranges
                 return null;
+            }
 
             var neMatchSets = new List<ContentMatchSet>
             {
diff --git a/BinaryObjectScanner/Protection/RainbowSentinel.cs b/BinaryObjectScanner/Protection/RainbowSentinel.cs
index 731a8d3b..c9d15068 100644
--- a/BinaryObjectScanner/Protection/RainbowSentinel.cs
+++ b/BinaryObjectScanner/Protection/RainbowSentinel.cs
@@ -41,9 +41,18 @@ namespace BinaryObjectScanner.Protection
         public string? CheckExecutable(string file, NewExecutable nex, bool includeDebug)
         {
             // TODO: Don't read entire file
-            var data = nex.ReadArbitraryRange();
-            if (data == null)
+            byte[]? data;
+            try
+            {
+                data = nex.ReadArbitraryRange();
+                if (data == null)
+                    return null;
+            }
+            catch
+            {
+                // Ignore errors reading ranges
                 return null;
+            }
 
             // TODO: Figure out what NE section this lives in
             var neMatchSets = new List<ContentMatchSet>