diff --git a/Helpers.cpp b/Helpers.cpp
index ae45c4d..a2c3d26 100644
--- a/Helpers.cpp
+++ b/Helpers.cpp
@@ -185,7 +185,7 @@ std::wstring GenerateInheritanceFlags(DWORD iCurrentFlags)
 std::wstring GenerateAccessMask(DWORD iCurrentMask)
 {
 	// define the aesthetic names of permission 
-	static struct
+	static struct MaskDefinitionsType
 	{
 		const DWORD Mask;
 		const std::wstring Description;
@@ -471,7 +471,7 @@ std::wstring FileSizeToString(const LARGE_INTEGER iFileSize)
 	// convert the file size to a string
 	WCHAR sSize[32];
 	_wsetlocale(LC_NUMERIC, L"");
-	wsprintf(sSize, L"%I64u", iFileSize.QuadPart);
+	wsprintf(sSize, L"%I64u", (ULONGLONG) iFileSize.QuadPart);
 	return std::wstring(sSize);
 }
 
diff --git a/OperationLocate.cpp b/OperationLocate.cpp
index 21db047..b8c182c 100644
--- a/OperationLocate.cpp
+++ b/OperationLocate.cpp
@@ -13,14 +13,14 @@ OperationLocate::OperationLocate(std::queue<std::wstring> & oArgList, const std:
 	std::vector<std::wstring> sMatchAndArgs = ProcessAndCheckArgs(1, oArgList, L"\\0");
 
 	// fetch params
-	HANDLE hFile = CreateFile(sReportFile[0].c_str(), GENERIC_WRITE,
+	HANDLE hFile = CreateFile(sReportFile.at(0).c_str(), GENERIC_WRITE,
 		FILE_SHARE_READ, NULL, CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, nullptr);
 
 	// see if names could be resolved
 	if (hFile == INVALID_HANDLE_VALUE)
 	{
 		// complain
-		wprintf(L"ERROR: Could not create file '%s' specified for parameter '%s'.\n", sReportFile[0].c_str(), GetCommand().c_str());
+		wprintf(L"ERROR: Could not create file '%s' specified for parameter '%s'.\n", sReportFile.at(0).c_str(), GetCommand().c_str());
 		exit(-1);
 	}
 
diff --git a/OperationLocateShortcut.cpp b/OperationLocateShortcut.cpp
index cec6bd2..e881844 100644
--- a/OperationLocateShortcut.cpp
+++ b/OperationLocateShortcut.cpp
@@ -66,7 +66,7 @@ OperationLocateShortcut::OperationLocateShortcut(std::queue<std::wstring> & oArg
 	}
 	catch (const std::regex_error &)
 	{
-		wprintf(L"ERROR: Invalid regular expression '%s' specified for parameter '%s'.\n", sMatchAndArgs[0].c_str(), GetCommand().c_str());
+		wprintf(L"ERROR: Invalid regular expression '%s' specified for parameter '%s'.\n", sMatchAndArgs.at(0).c_str(), GetCommand().c_str());
 		exit(-1);
 	}
 }
diff --git a/OperationPathList.cpp b/OperationPathList.cpp
index 2471fc4..46bb4f6 100644
--- a/OperationPathList.cpp
+++ b/OperationPathList.cpp
@@ -35,7 +35,7 @@ OperationPathList::OperationPathList(std::queue<std::wstring> & oArgList, const
 		}
 
 		// store off the argument
-		InputOutput::ScanPaths().push_back(oLineItems[0]);
+		InputOutput::ScanPaths().push_back(oLineItems.at(0));
 	}
 
 	// cleanup
diff --git a/OperationReport.cpp b/OperationReport.cpp
index f352b1a..8dbe654 100644
--- a/OperationReport.cpp
+++ b/OperationReport.cpp
@@ -67,7 +67,7 @@ OperationReport::OperationReport(std::queue<std::wstring> & oArgList, const std:
 	AppliesToOwner = true;
 
 	// target certain parts of the security descriptor
-	if (sMatchAndArgs.size() > 1) ProcessGranularTargetting(sMatchAndArgs[1]);
+	if (sMatchAndArgs.size() > 1) ProcessGranularTargetting(sMatchAndArgs.at(1));
 }
 
 SidActionResult OperationReport::DetermineSid(WCHAR * const sSdPart, ObjectEntry & tObjectEntry, PSID const tCurrentSid, PSID & tResultantSid)