diff --git a/packages/create-nx-plugin/bin/create-nx-plugin.ts b/packages/create-nx-plugin/bin/create-nx-plugin.ts
index c8d092f3ba252..820815432c231 100644
--- a/packages/create-nx-plugin/bin/create-nx-plugin.ts
+++ b/packages/create-nx-plugin/bin/create-nx-plugin.ts
@@ -47,7 +47,7 @@ function createSandbox(packageManager: string) {
     license: 'MIT',
   });
 
-  execSync(`${packageManager} install --silent`, {
+  execSync(`${packageManager} install --silent --ignore-scripts`, {
     cwd: tmpDir,
     stdio: [0, 1, 2],
   });
diff --git a/packages/create-nx-workspace/bin/create-nx-workspace.ts b/packages/create-nx-workspace/bin/create-nx-workspace.ts
index eff74139c5368..aa8b961d57137 100644
--- a/packages/create-nx-workspace/bin/create-nx-workspace.ts
+++ b/packages/create-nx-workspace/bin/create-nx-workspace.ts
@@ -721,7 +721,7 @@ async function createSandbox(packageManager: PackageManager) {
       })
     );
 
-    await execAndWait(`${install} --silent`, tmpDir);
+    await execAndWait(`${install} --silent --ignore-scripts`, tmpDir);
 
     installSpinner.succeed();
   } catch (e) {
diff --git a/packages/nx/bin/compute-project-graph.ts b/packages/nx/bin/compute-project-graph.ts
index cf0c240ecaa9f..2a2f5a0f9ced1 100644
--- a/packages/nx/bin/compute-project-graph.ts
+++ b/packages/nx/bin/compute-project-graph.ts
@@ -1,8 +1,13 @@
 import { createProjectGraphAsync } from '../src/project-graph/project-graph';
+import { workspaceRoot } from '../src/utils/workspace-root';
+import { fileExists } from '../src/utils/fileutils';
+import { join } from 'path';
 
 (async () => {
   try {
-    await createProjectGraphAsync();
+    if (fileExists(join(workspaceRoot, 'nx.json'))) {
+      await createProjectGraphAsync();
+    }
   } catch (e) {
     // Do not error since this runs in a postinstall
   }