How to Fix Yahoo Mail Error 999 - 1-800–385–7116 Yahoo Help-Desk Number
                      How to Fix Yahoo Mail Error 999
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. If you are getting Yahoo Mail Error 999 or you do not know 
how to fix it then you can read the post or get solution at Yahoo Helpdesk 
Number 1-800–385–7116.
https://clouddrivehelper.com/yahoo-mail-error-999/
Reasons for Yahoo Mail Error 999
 Giving web gateways to other people may also be the main cause 
of the error. Due to unstable or poor Internet connectivity, this 
will prevent you from using Yahoo properly.
 Second, if the browser is not authorized to accept only cookies 
from Yahoo.
 Receiving or sending large amounts of email can cause this 
problem and you are unable to send or receive emails on Yahoo.
 Just make sure that you are not working with any third party 
software or application to use Yahoo, otherwise you will be 
blocked by Yahoo for a selected period.
 Spyware or viruses that will change system settings will prevent 
you from accessing certain websites.
 Advanced action from an IP address for your computer, mobile 
device, or specifically Yahoo pages is one of the main reasons to 
receive this particular error code.
Way to Fix Yahoo Mail Error 999
Method 1 : If you are using a “dial-up modem”, disconnect and 
reconnect to the web for a short time.
Additionally, by disabling the proxy server, this workaround also works 
because the dynamic IP address is generated on each connection 
instance.
Method 2 : Step 2: When using a proxy server, try turning it     off and 
then powering it on. 
This method is very efficient and can fix the error “Yahoo Mail cannot 
process the request at this stage, error 999”. Since Yahoo notifies the IP 
address to track traffic originating from the required address, disabling 
the proxy server will help to obtain and use the new IP address on 
subsequent connections to access the Yahoo mailbox.
Method 3 : Enable JavaScript
You might also like it. To move to this step, you want to work on the 
Tools menu. Then, go to the web selections and click on it. Then click on 
it and choose the Protection tab. Then choose the option “Custom Level” 
and proceed to the next step. Using the pointer, scroll down and change 
the active script setting to your liking. Then press confirm and save the 
changes. Finally, exit the web options. Through this process, you will 
gladly activate the JavaScript option.
Method 4 : You will sign in to Yahoo before activating the server for a 
different country. 
This is not the most defined method, as its operation receives an 
additional error message that states, “Unfortunately, there may also be 
a server interruption preventing access to the current page. You are 
going to change your server which will solve your problem.
Method 5 : You will sign in to Yahoo before activating the server 
for  a different country.
This is not the most defined method, as its operation receives an 
additional error message that states, “Unfortunately, there may also be a 
server interruption preventing access to the current page. You are going 
to change your server which will solve your problem.
Surely you will be ready to solve Yahoo Mail Error 999 topics using the steps 
mentioned above. But, in any case, if you have any problem, seek the help 
of an expert from the Yahoo helpdesk number. 
How to reach us
 Call us: 1-800–385–7116
 Mail us: [email protected]
Website: 
htt p s://clouddrivehelper.com/yahoo-mail-error-999/
   Thank You !