Metamask defaults to "Welcome to MetaMask" chrome-extension page!

Have had so many dramas with using Metamask on Brave over the last few months with assets appearing and disappearing and then when the patch is finally applied in the last few weeks, another setback! My wallet now has to be restored from seed because it decided to default to the “Welcome to MetaMask” chrome-extension page, how on earth does that happen! I have more than one account on the same seed phrase and I know I will need to spend quite sometime bringing all my assets back to the way they were before the wallet decided it wanted to go walkabout!