diff --git a/reactos/dll/win32/shell32/shelldesktop/CDesktopBrowser.cpp b/reactos/dll/win32/shell32/shelldesktop/CDesktopBrowser.cpp
index e521b875a29..844911eae39 100644
--- a/reactos/dll/win32/shell32/shelldesktop/CDesktopBrowser.cpp
+++ b/reactos/dll/win32/shell32/shelldesktop/CDesktopBrowser.cpp
@@ -179,6 +179,7 @@ static CDesktopBrowser *SHDESK_Create(HWND hWnd, LPCREATESTRUCT lpCreateStruct)
     if (FAILED(hRet))
     {
         pThis->Release();
+        delete pThis;
         return NULL;
     }
 
diff --git a/reactos/dll/win32/userenv/environment.c b/reactos/dll/win32/userenv/environment.c
index fa319d3c4e7..9b434d92889 100644
--- a/reactos/dll/win32/userenv/environment.c
+++ b/reactos/dll/win32/userenv/environment.c
@@ -463,7 +463,7 @@ CreateEnvironmentBlock(LPVOID *lpEnvironment,
                                    FALSE);
     }
 
-    /* Set variables from System Manager */
+    /* Set variables from Session Manager */
     SetUserEnvironment(lpEnvironment,
                        HKEY_LOCAL_MACHINE,
                        L"System\\CurrentControlSet\\Control\\Session Manager\\Environment");
diff --git a/reactos/sdk/lib/dnslib/straddr.c b/reactos/sdk/lib/dnslib/straddr.c
index 4215a80dbf0..d503ae5e9e6 100644
--- a/reactos/sdk/lib/dnslib/straddr.c
+++ b/reactos/sdk/lib/dnslib/straddr.c
@@ -170,7 +170,7 @@ Dns_StringToAddressEx(OUT PVOID Address,
     ULONG AddrSize = *AddressSize;
     IN6_ADDR Addr;
     BOOLEAN Return;
-    INT ErrorCode;
+    INT ErrorCode = ERROR_SUCCESS;
     CHAR AnsiName[INET6_ADDRSTRLEN + sizeof("ip6.arpa.")];
     ULONG Size = sizeof(AnsiName);