diff --git a/common/changes/@microsoft/gulp-core-build-webpack/fix-webpack-error-formatting_2024-09-10-19-24.json b/common/changes/@microsoft/gulp-core-build-webpack/fix-webpack-error-formatting_2024-09-10-19-24.json
new file mode 100644
index 0000000..defab76
--- /dev/null
+++ b/common/changes/@microsoft/gulp-core-build-webpack/fix-webpack-error-formatting_2024-09-10-19-24.json
@@ -0,0 +1,10 @@
+{
+  "changes": [
+    {
+      "packageName": "@microsoft/gulp-core-build-webpack",
+      "comment": "Fix an issue where webpack errors were printed as `[object Object]`.",
+      "type": "patch"
+    }
+  ],
+  "packageName": "@microsoft/gulp-core-build-webpack"
+}
\ No newline at end of file
diff --git a/common/scripts/install-run-rush-pnpm.js b/common/scripts/install-run-rush-pnpm.js
index 72a7bfd..2356649 100644
--- a/common/scripts/install-run-rush-pnpm.js
+++ b/common/scripts/install-run-rush-pnpm.js
@@ -10,6 +10,9 @@
 //    node common/scripts/install-run-rush-pnpm.js pnpm-command
 //
 // For more information, see: https://rushjs.io/pages/maintainer/setup_new_repo/
+//
+// Copyright (c) Microsoft Corporation. All rights reserved. Licensed under the MIT license.
+// See the @microsoft/rush package's LICENSE file for details.
 
 /******/ (() => { // webpackBootstrap
 /******/ 	"use strict";
diff --git a/common/scripts/install-run-rush.js b/common/scripts/install-run-rush.js
index 008e644..9676fc7 100644
--- a/common/scripts/install-run-rush.js
+++ b/common/scripts/install-run-rush.js
@@ -8,6 +8,9 @@
 //    node common/scripts/install-run-rush.js install
 //
 // For more information, see: https://rushjs.io/pages/maintainer/setup_new_repo/
+//
+// Copyright (c) Microsoft Corporation. All rights reserved. Licensed under the MIT license.
+// See the @microsoft/rush package's LICENSE file for details.
 
 /******/ (() => { // webpackBootstrap
 /******/ 	"use strict";
diff --git a/common/scripts/install-run-rushx.js b/common/scripts/install-run-rushx.js
index 0a0235f..6581521 100644
--- a/common/scripts/install-run-rushx.js
+++ b/common/scripts/install-run-rushx.js
@@ -10,6 +10,9 @@
 //    node common/scripts/install-run-rushx.js custom-command
 //
 // For more information, see: https://rushjs.io/pages/maintainer/setup_new_repo/
+//
+// Copyright (c) Microsoft Corporation. All rights reserved. Licensed under the MIT license.
+// See the @microsoft/rush package's LICENSE file for details.
 
 /******/ (() => { // webpackBootstrap
 /******/ 	"use strict";
diff --git a/common/scripts/install-run.js b/common/scripts/install-run.js
index 08b606a..9283c44 100644
--- a/common/scripts/install-run.js
+++ b/common/scripts/install-run.js
@@ -8,6 +8,9 @@
 //    node common/scripts/install-run.js qrcode@1.2.2 qrcode https://rushjs.io
 //
 // For more information, see: https://rushjs.io/pages/maintainer/setup_new_repo/
+//
+// Copyright (c) Microsoft Corporation. All rights reserved. Licensed under the MIT license.
+// See the @microsoft/rush package's LICENSE file for details.
 
 /******/ (() => { // webpackBootstrap
 /******/ 	"use strict";
@@ -338,7 +341,7 @@ let _npmPath = undefined;
 function getNpmPath() {
     if (!_npmPath) {
         try {
-            if (os__WEBPACK_IMPORTED_MODULE_2__.platform() === 'win32') {
+            if (_isWindows()) {
                 // We're on Windows
                 const whereOutput = child_process__WEBPACK_IMPORTED_MODULE_0__.execSync('where npm', { stdio: [] }).toString();
                 const lines = whereOutput.split(os__WEBPACK_IMPORTED_MODULE_2__.EOL).filter((line) => !!line);
@@ -457,10 +460,13 @@ function _resolvePackageVersion(logger, rushCommonFolder, { name, version }) {
             // ```
             //
             // if only a single version matches.
-            const npmVersionSpawnResult = child_process__WEBPACK_IMPORTED_MODULE_0__.spawnSync(npmPath, ['view', `${name}@${version}`, 'version', '--no-update-notifier', '--json'], {
+            const spawnSyncOptions = {
                 cwd: rushTempFolder,
-                stdio: []
-            });
+                stdio: [],
+                shell: _isWindows()
+            };
+            const platformNpmPath = _getPlatformPath(npmPath);
+            const npmVersionSpawnResult = child_process__WEBPACK_IMPORTED_MODULE_0__.spawnSync(platformNpmPath, ['view', `${name}@${version}`, 'version', '--no-update-notifier', '--json'], spawnSyncOptions);
             if (npmVersionSpawnResult.status !== 0) {
                 throw new Error(`"npm view" returned error code ${npmVersionSpawnResult.status}`);
             }
@@ -593,10 +599,12 @@ function _installPackage(logger, packageInstallFolder, name, version, command) {
     try {
         logger.info(`Installing ${name}...`);
         const npmPath = getNpmPath();
-        const result = child_process__WEBPACK_IMPORTED_MODULE_0__.spawnSync(npmPath, [command], {
+        const platformNpmPath = _getPlatformPath(npmPath);
+        const result = child_process__WEBPACK_IMPORTED_MODULE_0__.spawnSync(platformNpmPath, [command], {
             stdio: 'inherit',
             cwd: packageInstallFolder,
-            env: process.env
+            env: process.env,
+            shell: _isWindows()
         });
         if (result.status !== 0) {
             throw new Error(`"npm ${command}" encountered an error`);
@@ -612,9 +620,18 @@ function _installPackage(logger, packageInstallFolder, name, version, command) {
  */
 function _getBinPath(packageInstallFolder, binName) {
     const binFolderPath = path__WEBPACK_IMPORTED_MODULE_3__.resolve(packageInstallFolder, NODE_MODULES_FOLDER_NAME, '.bin');
-    const resolvedBinName = os__WEBPACK_IMPORTED_MODULE_2__.platform() === 'win32' ? `${binName}.cmd` : binName;
+    const resolvedBinName = _isWindows() ? `${binName}.cmd` : binName;
     return path__WEBPACK_IMPORTED_MODULE_3__.resolve(binFolderPath, resolvedBinName);
 }
+/**
+ * Returns a cross-platform path - windows must enclose any path containing spaces within double quotes.
+ */
+function _getPlatformPath(platformPath) {
+    return _isWindows() && platformPath.includes(' ') ? `"${platformPath}"` : platformPath;
+}
+function _isWindows() {
+    return os__WEBPACK_IMPORTED_MODULE_2__.platform() === 'win32';
+}
 /**
  * Write a flag file to the package's install directory, signifying that the install was successful.
  */
@@ -656,15 +673,14 @@ function installAndRun(logger, packageName, packageVersion, packageBinName, pack
     const originalEnvPath = process.env.PATH || '';
     let result;
     try {
-        // Node.js on Windows can not spawn a file when the path has a space on it
-        // unless the path gets wrapped in a cmd friendly way and shell mode is used
-        const shouldUseShell = binPath.includes(' ') && os__WEBPACK_IMPORTED_MODULE_2__.platform() === 'win32';
-        const platformBinPath = shouldUseShell ? `"${binPath}"` : binPath;
+        // `npm` bin stubs on Windows are `.cmd` files
+        // Node.js will not directly invoke a `.cmd` file unless `shell` is set to `true`
+        const platformBinPath = _getPlatformPath(binPath);
         process.env.PATH = [binFolderPath, originalEnvPath].join(path__WEBPACK_IMPORTED_MODULE_3__.delimiter);
         result = child_process__WEBPACK_IMPORTED_MODULE_0__.spawnSync(platformBinPath, packageBinArgs, {
             stdio: 'inherit',
             windowsVerbatimArguments: false,
-            shell: shouldUseShell,
+            shell: _isWindows(),
             cwd: process.cwd(),
             env: process.env
         });
diff --git a/core-build/gulp-core-build-webpack/src/WebpackTask.ts b/core-build/gulp-core-build-webpack/src/WebpackTask.ts
index c03d2cb..9c20a23 100644
--- a/core-build/gulp-core-build-webpack/src/WebpackTask.ts
+++ b/core-build/gulp-core-build-webpack/src/WebpackTask.ts
@@ -46,6 +46,24 @@ export interface IWebpackResources {
   webpack: typeof Webpack;
 }
 
+function normalizeWebpackError(error: Webpack.StatsError): string {
+  if (typeof error === 'string') {
+    return error;
+  } else {
+    const { loc, moduleName, moduleIdentifier } = error;
+    const modulePath: string | undefined = moduleName ?? moduleIdentifier;
+    if (modulePath) {
+      if (loc) {
+        return `${modulePath}:${loc}: ${error.message}`;
+      } else {
+        return `${modulePath}: ${error.message}`;
+      }
+    } else {
+      return error.message;
+    }
+  }
+}
+
 /**
  * @public
  */
@@ -141,7 +159,12 @@ export class WebpackTask<TExtendedConfig = {}> extends GulpTask<IWebpackTaskConf
 
         if (statsResult) {
           if (statsResult.errors && statsResult.errors.length) {
-            this.logError(`'${outputDir}':` + EOL + statsResult.errors.join(EOL) + EOL);
+            const errorTexts: string[] = [];
+            for (const error of statsResult.errors) {
+              errorTexts.push(normalizeWebpackError(error));
+            }
+
+            this.logError(`'${outputDir}':` + EOL + errorTexts.join(EOL) + EOL);
           }
 
           if (statsResult.warnings && statsResult.warnings.length) {
@@ -168,18 +191,12 @@ export class WebpackTask<TExtendedConfig = {}> extends GulpTask<IWebpackTaskConf
             }
 
             if (unsuppressedWarnings.length > 0) {
-              this.logWarning(
-                `'${outputDir}':` +
-                  EOL +
-                  unsuppressedWarnings
-                    .map(
-                      (unsuppressedWarning) =>
-                        (unsuppressedWarning.loc ? `${unsuppressedWarning.loc}: ` : '') +
-                        unsuppressedWarning.message
-                    )
-                    .join(EOL) +
-                  EOL
-              );
+              const warningTexts: string[] = [];
+              for (const warning of unsuppressedWarnings) {
+                warningTexts.push(normalizeWebpackError(warning));
+              }
+
+              this.logWarning(`'${outputDir}':` + EOL + warningTexts.join(EOL) + EOL);
             }
           }
 
diff --git a/rush.json b/rush.json
index a623986..68aee61 100644
--- a/rush.json
+++ b/rush.json
@@ -16,7 +16,7 @@
    * path segment in the "$schema" field for all your Rush config files.  This will ensure
    * correct error-underlining and tab-completion for editors such as VS Code.
    */
-  "rushVersion": "5.118.4",
+  "rushVersion": "5.133.4",
 
   /**
    * The next field selects which package manager should be installed and determines its version.