diff --git a/GoogleTestAdapter/Core/Runners/SequentialTestRunner.cs b/GoogleTestAdapter/Core/Runners/SequentialTestRunner.cs
index e016be09c..ec12c420e 100644
--- a/GoogleTestAdapter/Core/Runners/SequentialTestRunner.cs
+++ b/GoogleTestAdapter/Core/Runners/SequentialTestRunner.cs
@@ -138,7 +138,11 @@ private IEnumerable<TestResult> RunTests(string executable, string workingDir, b
         public static void LogExecutionError(ILogger logger, string executable, string workingDir, string arguments, Exception exception, string threadName = "")
         {
             logger.LogError($"{threadName}Failed to run test executable '{executable}': {exception.Message}");
-            logger.DebugError($@"{threadName}Stacktrace:{Environment.NewLine}{exception.StackTrace}");
+            if (exception is AggregateException aggregateException)
+            {
+               exception = aggregateException.Flatten();
+            }
+            logger.DebugError($@"{threadName}Exception:{Environment.NewLine}{exception}");
             logger.LogError(
                 $"{threadName}{Strings.Instance.TroubleShootingLink}");
             logger.LogError(
diff --git a/GoogleTestAdapter/Core/TestCases/TestCaseFactory.cs b/GoogleTestAdapter/Core/TestCases/TestCaseFactory.cs
index 6c4690a65..08cb9cef4 100644
--- a/GoogleTestAdapter/Core/TestCases/TestCaseFactory.cs
+++ b/GoogleTestAdapter/Core/TestCases/TestCaseFactory.cs
@@ -40,12 +40,11 @@ public IList<TestCase> CreateTestCases(Action<TestCase> reportTestCase = null)
                 return NewCreateTestcases(reportTestCase);
             }
 
+           string workingDir = _settings.GetWorkingDirForDiscovery(_executable);
+           string finalParams = GetDiscoveryParams();
             List<string> standardOutput = new List<string>();
             try
             {
-                string workingDir = _settings.GetWorkingDirForDiscovery(_executable);
-                string finalParams = GetDiscoveryParams();
-
                 int processExitCode = 0;
                 ProcessLauncher launcher = null;
                 var listTestsTask = new Task(() =>
@@ -68,8 +67,7 @@ public IList<TestCase> CreateTestCases(Action<TestCase> reportTestCase = null)
             }
             catch (Exception e)
             {
-                SequentialTestRunner.LogExecutionError(_logger, _executable, Path.GetFullPath(""),
-                    GoogleTestConstants.ListTestsOption, e);
+                SequentialTestRunner.LogExecutionError(_logger, _executable, workingDir, finalParams, e);
                 return new List<TestCase>();
             }
 
@@ -152,11 +150,10 @@ private IList<TestCase> NewCreateTestcases(Action<TestCase> reportTestCase)
                 parser.ReportLine(s);
             };
 
+           string workingDir = _settings.GetWorkingDirForDiscovery(_executable);
+           var finalParams = GetDiscoveryParams();
             try
             {
-                string workingDir = _settings.GetWorkingDirForDiscovery(_executable);
-                var finalParams = GetDiscoveryParams();
-
                 int processExitCode = ProcessExecutor.ExecutionFailed;
                 ProcessExecutor executor = null;
                 var listAndParseTestsTask = new Task(() =>
@@ -192,8 +189,7 @@ private IList<TestCase> NewCreateTestcases(Action<TestCase> reportTestCase)
             }
             catch (Exception e)
             {
-                SequentialTestRunner.LogExecutionError(_logger, _executable, Path.GetFullPath(""),
-                    GoogleTestConstants.ListTestsOption, e);
+                SequentialTestRunner.LogExecutionError(_logger, _executable, workingDir, finalParams, e);
                 return new List<TestCase>();
             }
             return testCases;
diff --git a/GoogleTestAdapter/DiaResolver.Tests/PdbLocatorTests.cs b/GoogleTestAdapter/DiaResolver.Tests/PdbLocatorTests.cs
index 51feeedec..cfdf347f9 100644
--- a/GoogleTestAdapter/DiaResolver.Tests/PdbLocatorTests.cs
+++ b/GoogleTestAdapter/DiaResolver.Tests/PdbLocatorTests.cs
@@ -1,4 +1,5 @@
-using System.Diagnostics.CodeAnalysis;
+using System;
+using System.Diagnostics.CodeAnalysis;
 using System.IO;
 using FluentAssertions;
 using GoogleTestAdapter.Tests.Common;
@@ -58,5 +59,41 @@ public void FindPdbFile_ExeWithoutPdb_AttemptsToFindPdbAreLogged()
                 .Should()
                 .Contain(msg => msg.Contains("Attempts to find pdb:"));
         }
+
+        [TestMethod]
+        [TestCategory(Unit)]
+        [SuppressMessage("ReSharper", "AssignNullToNotNullAttribute")]
+        public void FindPdbFile_PATHcontainsInvalidChars_ErrorIsLogged()
+        {
+            TestResources.LoadTests_ReleaseX86.AsFileInfo().Should().Exist();
+            string pdb = Path.ChangeExtension(TestResources.LoadTests_ReleaseX86, ".pdb");
+            pdb.AsFileInfo().Should().Exist();
+            string renamedPdb = $"{pdb}.bak";
+            renamedPdb.AsFileInfo().Should().NotExist();
+
+            string pdbFound;
+            var fakeLogger = new FakeLogger(() => true);
+            var currentPath = Environment.GetEnvironmentVariable("PATH");
+            try
+            {
+                File.Move(pdb, renamedPdb);
+                pdb.AsFileInfo().Should().NotExist();
+
+                Environment.SetEnvironmentVariable("PATH", $"My<Invalid>Path;{currentPath}");
+                pdbFound = PdbLocator.FindPdbFile(TestResources.LoadTests_ReleaseX86, "", fakeLogger);
+            }
+            finally
+            {
+                Environment.SetEnvironmentVariable("PATH", currentPath);
+                File.Move(renamedPdb, pdb);
+                pdb.AsFileInfo().Should().Exist();
+            }
+
+            pdbFound.Should().BeNull();
+            fakeLogger.Warnings
+                .Should()
+                .Contain(msg => msg.Contains("invalid path"));
+        }
+
     }
 }
\ No newline at end of file
diff --git a/GoogleTestAdapter/DiaResolver/PdbLocator.cs b/GoogleTestAdapter/DiaResolver/PdbLocator.cs
index 86c178a42..d1d8d8383 100644
--- a/GoogleTestAdapter/DiaResolver/PdbLocator.cs
+++ b/GoogleTestAdapter/DiaResolver/PdbLocator.cs
@@ -33,10 +33,21 @@ public static string FindPdbFile(string binary, string pathExtension, ILogger lo
             {
                 foreach (string pathElement in pathElements)
                 {
-                    string file = Path.Combine(pathElement, pdb);
-                    if (File.Exists(file))
-                        return file;
-                    attempts.Add($"\"{file}\"");
+                    try
+                    {
+                        string file = Path.Combine(pathElement, pdb);
+                        if (File.Exists(file))
+                            return file;
+                        attempts.Add($"\"{file}\"");
+                    }
+                    catch (Exception e)
+                    {
+                        string message = $"Exception while searching for the PDB file of binary '{binary}'. ";
+                        message += "Do you have some invalid path on your system's PATH environment variable? ";
+                        message += $"The according path is '{pathElement}' and will be ignored.";
+                        logger.LogWarning(message);
+                        logger.DebugWarning($"Exception:{Environment.NewLine}{e}");
+                    }
                 }
             }