Are you searching for a "QuickBooks Won’t open" solution? So let's  follow the below steps:

Step 1: Check your browser settings such as JavaScript enabled and pop-ups

Step 2: You can Clear your browser cookies and cache

Step 3: You can visit the QuickBooks official site and directly sign in

Step 4: You should add quick book as a trusted site

Step 5: Check your internet connection and restart your computer