Why I have to click about 20 to 25 to start working or open my invoices and my invoices are duplicating, triplicating and even quadruplicating

Thank you for posting here in Community @carlos26,

Let me help you with your concern. If you're having speed issues with your QuickBooks Online you can check the system requirements to make sure you're getting the most out of your user experience. Since QuickBooks Online relies on the computer or device’s processing power, the amount of available memory (RAM), and the internet connection.

Also, the other way of resolving the issue is to temporarily use a different browser while creating invoices to further check if this is a browser-related issue. You can use these browsers for QuickBooks Online:

• Google Chrome.
• Mozilla Firefox. 
• Microsoft Edge.
• Safari 11 or newer (Mac only).

For the duplicate invoices, you can void or delete the transaction so that it will not affect your account balances and reports QuickBooks Online account. Here's how: 

1. Open the duplicate invoice.
2. Select More at the bottom of the screen and choose Void or Delete.
3. Click Yes to confirm that you'd like to void or delete the transaction. 

For more details about how to void or delete transactions, check out this link: Void or delete transactions in QuickBooks Online.

In case you want to check your open invoices, check out this link: Open Invoices Report.

If you have additional questions, just leave a message in the comment section. I'll be happier to help. Have a wonderful day!

   The many times click is been solved but the duplication is not . i know how to void them but way they duplicate themselves? 

Glad to hear you're now able to click and open your invoices, carlos26.

Duplicate invoices are maybe caused by recurring transactions. Someone may have accidentally set them up in the system.

You'll want to stop the recurring invoice by deleting it from the list. I'll show you how it's done:

1. Go to Settings ⚙.
2. Select Recurring transactions under All lists.
3. Choose the transaction or template you want to delete.
4. Under the Action column, select Edit ▼ drop-down, then Delete.
   

I've added this article: Create recurring transactions in QuickBooks Online for other related resources about this template.

You can also use the Audit log feature to view all activities in your account. QuickBooks records every transaction, changes, and who made it.

Keep in touch by commenting below. I'm always around here in the Intuit Community to help.