I try to apply credit to invoice and QuickBooks shuts down when I try to apply it

To resolve the above problem please refer to the below given steps,

• In your Quickbooks account, locate and open the credit memo.
• By hitting Ctrl + H, you may see the history of the credit memo (shortcut command for history).
• Select the invoice to which the credit was applied by double-clicking it.
• To apply for credits, click the Apply Credits option.
• In the Previously Applied Credits window, clear the current credit option.
• On the Apply Credits window, click Done.
• To erase the credit and make your adjustments, click Save & Close on the invoice.
• However, I am unable to locate the Apply Credits option.