If you are facing troubles or issues with your MetaMask extension you should try rebooting your device whether you are on a PC or using a smartphone. Also, try to log out and log back in from your wallet account to see if your problem persists. If none of these steps helped you then you can visit the MetaMask support page and look for your concern.
https://sites.google.com/metsmask.com/metamaskcromeextension/home
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