diff --git a/src/main/java/com/intellij/plugins/haxe/haxelib/HaxelibCacheManager.java b/src/main/java/com/intellij/plugins/haxe/haxelib/HaxelibCacheManager.java
index 2c56b8315..5553827d8 100644
--- a/src/main/java/com/intellij/plugins/haxe/haxelib/HaxelibCacheManager.java
+++ b/src/main/java/com/intellij/plugins/haxe/haxelib/HaxelibCacheManager.java
@@ -2,6 +2,7 @@
 
 import com.intellij.openapi.module.Module;
 import com.intellij.openapi.projectRoots.Sdk;
+import lombok.CustomLog;
 import org.jetbrains.annotations.NotNull;
 
 import java.util.*;
@@ -11,6 +12,7 @@
 /**
  * A cache manager for library information retrieved from haxelib
  */
+@CustomLog
 public class HaxelibCacheManager {
 
   // current version of haxelib shows versions as date + version + description
@@ -74,11 +76,19 @@ public Map<String, List<String>> getAvailableLibraries() {
 
   private void fetchInstalledLibraryData() {
     Sdk sdk = HaxelibSdkUtils.lookupSdk(module);
+    if(!HaxelibSdkUtils.isValidHaxeSdk(sdk)) {
+      log.warn("Unable to fetchInstalledLibraryData, invalid SDK paths");
+      return;
+    }
     installedLibraries.putAll(readInstalledLibraries(sdk));
   }
 
   private void fetchAvailableForDownload() {
     Sdk sdk = HaxelibSdkUtils.lookupSdk(module);
+    if(!HaxelibSdkUtils.isValidHaxeSdk(sdk)) {
+      log.warn("Unable to fetchAvailableForDownload, invalid SDK paths");
+      return;
+    }
     availableLibraries.putAll(readAvailableOnline(sdk));
   }
 
@@ -116,6 +126,10 @@ private static Map<String, List<String>> readInstalledLibraries(@NotNull Sdk sdk
   public List<String> fetchAvailableVersions(String name) {
     if (getAvailableLibraries().getOrDefault(name, List.of()).isEmpty()) {
       Sdk sdk = HaxelibSdkUtils.lookupSdk(module);
+      if(!HaxelibSdkUtils.isValidHaxeSdk(sdk)) {
+        log.warn("Unable to fetch Available Versions, invalid SDK paths");
+        return List.of();
+      }
       List<String> list = HaxelibCommandUtils.issueHaxelibCommand(sdk, "info", name);
       // filter to find version numbers
 
diff --git a/src/main/java/com/intellij/plugins/haxe/haxelib/HaxelibSdkUtils.java b/src/main/java/com/intellij/plugins/haxe/haxelib/HaxelibSdkUtils.java
index 9a00273e0..8cfe1cb80 100644
--- a/src/main/java/com/intellij/plugins/haxe/haxelib/HaxelibSdkUtils.java
+++ b/src/main/java/com/intellij/plugins/haxe/haxelib/HaxelibSdkUtils.java
@@ -24,11 +24,15 @@
 import com.intellij.openapi.projectRoots.impl.ProjectJdkImpl;
 import com.intellij.openapi.roots.ModuleRootManager;
 import com.intellij.openapi.roots.ProjectRootManager;
+import com.intellij.plugins.haxe.config.sdk.HaxeSdkData;
 import com.intellij.plugins.haxe.config.sdk.HaxeSdkType;
 
 import lombok.CustomLog;
 import org.jetbrains.annotations.NotNull;
 
+import java.nio.file.Files;
+import java.nio.file.Path;
+
 /**
  * Static interface for SDK utility functions.
  */
@@ -91,6 +95,12 @@ public static Sdk lookupSdk(@NotNull Project project) {
     }
     return sdk;
   }
+  public static boolean isValidHaxeSdk(@NotNull Sdk haxeSdk) {
+    HaxeSdkData data = (HaxeSdkData)haxeSdk.getSdkAdditionalData();
+    if(data == null) return false;
+    if(!Files.exists(Path.of(data.getHomePath()))) return false;
+    return Files.exists(Path.of(data.getHaxelibPath()));
+  }
 
 
   @NotNull
diff --git a/src/main/java/com/intellij/plugins/haxe/haxelib/ProjectLibraryCache.java b/src/main/java/com/intellij/plugins/haxe/haxelib/ProjectLibraryCache.java
index 978baacaa..15974470a 100644
--- a/src/main/java/com/intellij/plugins/haxe/haxelib/ProjectLibraryCache.java
+++ b/src/main/java/com/intellij/plugins/haxe/haxelib/ProjectLibraryCache.java
@@ -65,6 +65,10 @@ public void reload() {
   }
 
   private void loadInstalledLibrariesList(@NotNull Sdk sdk) {
+    if(!HaxelibSdkUtils.isValidHaxeSdk(sdk)){
+      log.warn("Unable to load install library list, invalid SDK paths");
+      return;
+    }
     List<String> installedLibs = HaxelibUtil.getInstalledLibraryNames(sdk);
     for (String libName : installedLibs) {
       HaxeLibrary lib = HaxeLibrary.load(this, libName, mySdk);