When you install the GameStop Browser Extension Wallet, it will set itself to be the default web3 wallet provider. Due to the way other wallet extensions work, there is currently no agreed-upon way for multiple wallet providers to work together. Due to this limitation, only one browser extension wallet can properly work at the same time. This will override any other wallets you may have installed, but they are not lost.
In the settings menu of your GameStop Browser Extension Wallet, you can select whether the GameStop Wallet will set itself as your default wallet. To allow other browser extensions to set themselves as your default wallet, uncheck this option.