# Startup Failed: User Script Permission Required

If your browser extension fails to launch and displays a message about needing user script permission, it typically means the necessary user script functionality has not been enabled in your browser.

Please follow these steps to resolve the issue:

**Step 1: Go to the Extensions Management Page**Open your Chrome or Edge browser, copy the address below, and paste it into your address bar: `chrome://extensions`

**Step 2: Enable Developer Mode**On the "Extensions" page, please enable the "Developer mode" switch, located in the top-right corner.For Chrome, this switch is usually in the top-right corner. For Edge, it's typically in the bottom-left.

<figure><img src="https://3087894035-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F6MWUoQBijnrc0tNWtAzG%2Fuploads%2FZsgxwHuel0NL2ppyGS41%2F11.png?alt=media&#x26;token=a8af99f3-56d4-4d52-9155-63359b3b35fa" alt=""><figcaption></figcaption></figure>

**Step 3: Access Plugin Details and Grant Permission**

First, click the "Details" button on the extension's card.

<figure><img src="https://3087894035-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F6MWUoQBijnrc0tNWtAzG%2Fuploads%2FMabNbOpRjZKCcTTgqRWo%2F22.png?alt=media&#x26;token=dc20cbd2-0166-4ec0-9455-cbb955356221" alt=""><figcaption></figcaption></figure>

Then, on the new page, find and enable the "Allow User scripts" switch.

<figure><img src="https://3087894035-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F6MWUoQBijnrc0tNWtAzG%2Fuploads%2FPadd0JK4U8yNCSbkZrTw%2F33.png?alt=media&#x26;token=533f0e36-0dd4-499f-8b35-d734ba3c91e0" alt=""><figcaption></figcaption></figure>

**Step 4: Refresh the Extension**Return to the extensions list and click the refresh button (circular arrow icon) on the extension's card. Alternatively, you can disable and then re-enable the extension.&#x20;

<figure><img src="https://3087894035-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F6MWUoQBijnrc0tNWtAzG%2Fuploads%2Fb8DHOSWCHAWNTGc8bcRx%2F44.png?alt=media&#x26;token=e4cfc258-c07b-415d-866f-e34368e0e800" alt=""><figcaption></figcaption></figure>
