Hello @Adamski4 ， Currently, we haven't received similar feedback. Would you mind trying a hard reset of the router and reconfiguring it? This might directly eliminate the anomaly.

Hello @StickyToepad81 , Have you tried to hard reset the router and configure it again? This might directly eliminate the abnormal VPN connection caused by the change.

Hello @Rumeleq , It seems that there are specific factors causing the 2.4Ghz to disappear after the power outage. Have you ever tried routers of other brands to compare whether 2.4Ghz would disappear...

Hello @UnlimitedEra , Welcome to our community. For your case, please refer to Archer VR2100 / Archer VR600 reports ‘Error code:1’ when disabling the VPN client.

Hello @Georgial3igh , Welcome to our community. Have you tried to hard reset the modem as follows: How to reset TP-Link xDSL modem router to factory defaults. If you reset it successfully, you will...

Hello All, @JulesSanshiro @FerdinandBenes @michalski @giriri @OrangeLaros @Barewnte @Midinightman To better understand your needs, we hope you can help us collect the following information: 1. Who is...