diff --git a/Il2CppInspector.Common/IL2CPP/Il2CppBinary.cs b/Il2CppInspector.Common/IL2CPP/Il2CppBinary.cs
index b0b599b..ccb55ad 100644
--- a/Il2CppInspector.Common/IL2CPP/Il2CppBinary.cs
+++ b/Il2CppInspector.Common/IL2CPP/Il2CppBinary.cs
@@ -208,6 +208,25 @@ namespace Il2CppInspector
             CodeRegistration = Image.ReadMappedObject<Il2CppCodeRegistration>(codeRegistration);
             MetadataRegistration = Image.ReadMappedObject<Il2CppMetadataRegistration>(metadataRegistration);
 
+            // Do basic validatation that MetadataRegistration and CodeRegistration are sane
+            /*
+             * TODO: Validation can be greatly expanded upon later, eg. pointers in these two structs should actually be pointers
+             * GlobalMethodPointers (<= 24.1) must be a series of pointers in il2cpp or .text, and in sequential order
+             * FieldOffsetPointers (>= 21.1) must be a series of pointers in __const or zero, and in sequential order
+             * typeRefPointers must be a series of pointers in __const
+             * MethodInvokePointers must be a series of pointers in __text or .text, and in sequential order
+             */
+            if (MetadataRegistration.typesCount < MetadataRegistration.typeDefinitionsSizesCount
+                || MetadataRegistration.genericClassesCount < MetadataRegistration.genericInstsCount
+                || MetadataRegistration.genericMethodTableCount < MetadataRegistration.genericInstsCount
+                || CodeRegistration.reversePInvokeWrapperCount > 0x1000
+                || CodeRegistration.unresolvedVirtualCallCount > 0x4000 // >= 22
+                || CodeRegistration.interopDataCount > 0x1000           // >= 23
+                || (Image.Version <= 24.1 && CodeRegistration.invokerPointersCount > CodeRegistration.methodPointersCount))
+                throw new NotSupportedException("The detected Il2CppCodeRegistration / Il2CppMetadataRegistration structs do not pass validation. This may mean that their fields have been re-ordered as a form of obfuscation - this scenario is not currently supported by Il2CppInspector. Consider re-ordering the fields in Il2CppBinaryClasses.cs and try again.");
+
+            // TODO: Determine the correct field order for MetadataRegistration and CodeRegistration (#44, #98)
+
             // The global method pointer list was deprecated in v24.2 in favour of Il2CppCodeGenModule
             if (Image.Version <= 24.1)
                 GlobalMethodPointers = Image.ReadMappedArray<ulong>(CodeRegistration.pmethodPointers, (int) CodeRegistration.methodPointersCount);