Yahoo email service not only provides excellent experience of usages but it is also easy to operate due to its user-friendly interface. It sometimes gets you stuck with Error code 999 that stops Yahoo services to run on your device. In that case, it has become essential to troubleshoot it just by following the below-given steps.
If you’re using ‘Dial-up modem’ then, disconnect from the Internet for a short-term and then re-connect
Turning off the Proxy Server, this workaround resolution additionally works as the dynamic IP address gets created on every login instance.
While working a proxy server, turn it ‘Off’ and after that, turn ‘On’
This method is much effective and yes helps to fix the error “Yahoo mail isn’t able to process request at this time error 999”. As Yahoo notifies IP address to target the traffic that is coming up from the certain addresses, changing the proxy server would help to create and use the new IP address on subsequent login for accessing Yahoo mailbox
Check Different device
Sometimes, your device doesn’t support the Yahoo Mail account and in these situations, it is strongly recommended to use a different device to clear the issue. You can Install and Download the Yahoo application on a supportive device. Now, login with your Yahoo credentials (email address and password) and check if the Yahoo error 999 is available or not. If not, then there must be something wrong with your previous device. But in case yes, then call on Yahoo Help Phone Number to get instant help from the technical teams.
Now, you can log in to Yahoo by the switch on to the different country’s server
If the problem still persists or if you need any help with conducting these steps then, the technical team will definitely help you in any manner they can.