diff --git a/GleeBug/Debugger.Loop.cpp b/GleeBug/Debugger.Loop.cpp
index 9d6fb99..8aa0d9f 100644
--- a/GleeBug/Debugger.Loop.cpp
+++ b/GleeBug/Debugger.Loop.cpp
@@ -6,6 +6,7 @@ namespace GleeBug
     {
         //initialize loop variables
         _breakDebugger = false;
+        _isDebugging = true;
 
         while (!_breakDebugger)
         {
@@ -104,5 +105,6 @@ namespace GleeBug
         //cleanup
         _processes.clear();
         _process = nullptr;
+        _isDebugging = false;
     }
 };
\ No newline at end of file
diff --git a/GleeBug/Debugger.Process.Memory.cpp b/GleeBug/Debugger.Process.Memory.cpp
index 722f8ad..cb21f84 100644
--- a/GleeBug/Debugger.Process.Memory.cpp
+++ b/GleeBug/Debugger.Process.Memory.cpp
@@ -4,12 +4,15 @@ namespace GleeBug
 {
     bool ProcessInfo::MemRead(ptr address, void* buffer, ptr size, ptr* bytesRead) const
     {
-        return !!ReadProcessMemory(this->hProcess, reinterpret_cast<const void*>(address), buffer, size, nullptr);
+        ptr read;
+        if (!bytesRead)
+            bytesRead = &read;
+        return !!ReadProcessMemory(this->hProcess, reinterpret_cast<const void*>(address), buffer, size, (SIZE_T*)bytesRead);
     }
 
     bool ProcessInfo::MemReadSafe(ptr address, void* buffer, ptr size, ptr* bytesRead) const
     {
-        if (!MemRead(address, buffer, size))
+        if (!MemRead(address, buffer, size, bytesRead))
             return false;
 
         //choose the filter method that has the lowest cost
@@ -53,7 +56,10 @@ namespace GleeBug
 
     bool ProcessInfo::MemWrite(ptr address, const void* buffer, ptr size, ptr* bytesWritten)
     {
-        return !!WriteProcessMemory(this->hProcess, reinterpret_cast<void*>(address), buffer, size, nullptr);
+        ptr written;
+        if (!bytesWritten)
+            bytesWritten = &written;
+        return !!WriteProcessMemory(this->hProcess, reinterpret_cast<void*>(address), buffer, size, (SIZE_T*)bytesWritten);
     }
 
     bool ProcessInfo::MemWriteSafe(ptr address, const void* buffer, ptr size, ptr* bytesWritten)
diff --git a/GleeBug/Debugger.h b/GleeBug/Debugger.h
index 2192d17..1eed499 100644
--- a/GleeBug/Debugger.h
+++ b/GleeBug/Debugger.h
@@ -249,6 +249,7 @@ namespace GleeBug
         DEBUG_EVENT _debugEvent;
         ProcessMap _processes;
         bool _isRunning = false;
+        bool _isDebugging = false;
 
         /**
         \brief The current process (can be null in some cases).