diff --git a/build/org.eclipse.cdt.build.gcc.core/src/org/eclipse/cdt/build/gcc/core/internal/Msys2ToolChainProvider.java b/build/org.eclipse.cdt.build.gcc.core/src/org/eclipse/cdt/build/gcc/core/internal/Msys2ToolChainProvider.java
index 7263b690743..38a95bbf118 100644
--- a/build/org.eclipse.cdt.build.gcc.core/src/org/eclipse/cdt/build/gcc/core/internal/Msys2ToolChainProvider.java
+++ b/build/org.eclipse.cdt.build.gcc.core/src/org/eclipse/cdt/build/gcc/core/internal/Msys2ToolChainProvider.java
@@ -48,6 +48,9 @@ public class Msys2ToolChainProvider implements IToolChainProvider {
 			for (int i = 0; (subkey = registry.getCurrentUserKeyName(uninstallKey, i)) != null; i++) {
 				String compKey = uninstallKey + '\\' + subkey;
 				String displayName = registry.getCurrentUserValue(compKey, "DisplayName"); //$NON-NLS-1$
+				if (displayName == null) {
+					continue;
+				}
 				if (on64bit) {
 					if (MSYS2_64BIT_NAMES.contains(displayName)) {
 						if (addToolChain64(manager, registry, compKey)) {
diff --git a/core/org.eclipse.cdt.core/utils/org/eclipse/cdt/internal/core/MinGW.java b/core/org.eclipse.cdt.core/utils/org/eclipse/cdt/internal/core/MinGW.java
index eadd6110bcb..79eb8cdd8e3 100644
--- a/core/org.eclipse.cdt.core/utils/org/eclipse/cdt/internal/core/MinGW.java
+++ b/core/org.eclipse.cdt.core/utils/org/eclipse/cdt/internal/core/MinGW.java
@@ -95,6 +95,9 @@ public class MinGW {
 			for (int i = 0; (subkey = registry.getCurrentUserKeyName(uninstallKey, i)) != null; i++) {
 				String compKey = uninstallKey + '\\' + subkey;
 				String displayName = registry.getCurrentUserValue(compKey, "DisplayName"); //$NON-NLS-1$
+				if (displayName == null) {
+					continue;
+				}
 				if (on64bit) {
 					if (MSYS2_64BIT_NAMES.contains(displayName)) {
 						String installLocation = registry.getCurrentUserValue(compKey, "InstallLocation"); //$NON-NLS-1$
@@ -230,6 +233,9 @@ public class MinGW {
 			for (int i = 0; (subkey = registry.getCurrentUserKeyName(uninstallKey, i)) != null; i++) {
 				String compKey = uninstallKey + '\\' + subkey;
 				String displayName = registry.getCurrentUserValue(compKey, "DisplayName"); //$NON-NLS-1$
+				if (displayName == null) {
+					continue;
+				}
 				if (on64bit) {
 					if (MSYS2_64BIT_NAMES.contains(displayName)) {
 						String home = registry.getCurrentUserValue(compKey, "InstallLocation"); //$NON-NLS-1$