I am getting a Quickbooks error while trying to open a second window in version 4.20.

Hi business1206

Welcome to the community family! It's great you're using QuickBooks Online to easily manage your business. Knowing which browsers are compatible with the software and which systems are required ensures the best and most secure experience with the program. I'll be happy to share more on this.

To ensure you're running QuickBooks Online properly, here are system requirements to follow: System requirements for QuickBooks Online, Accountant, and QuickBooks Self-Employed

Another good practice is to make sure that your browser or app is free from any accumulated temporary files that could cause bugs in the software. Here's how to do that: Clear cache and cookies to fix issues when using QuickBooks Online

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