Here are some simple techniques that you can use to resolve the error message screen issue.
An error message is information that appears when an unexpected problem occurs, usually with a computer or other device. On modern operating systems with graphics, error messages are often displayed in dialog boxes.
A message on the monitor screen or printout indicating that an incorrect instruction was given or that an error occurred due to faulty software or hardware
An error message is information that appears when an unexpected problem occurs, usually with a computer or other device. On modern operating systems with graphics, error messages are often displayed in dialog boxes. Error messages are used when user intervention is required to indicate that a desired operation has failed or to convey important warnings (for example, a warning to the computer user that he or she failed). there is almost no hard disk space). Error messages are common throughout the computer and are part of any operating system or computer hardware. The correct formatting of error messages is an important issue in terms of usability and other areas of human-machine interaction. 
First, the form was poorly designedovan without first specifying a username. But that’s a whole other topic than designing effective forms and placement guidelines (which Caroline Jarrett and Luke Wroblewski have written some great articles and books about). Second, there was a wrong way to describe the error. Let’s look at the situation in perspective – someone is trying to buy you something, he does not have a whole day to read a loud statement: “Why are you wrong?” Third, the position of the error message did not allow the user to know which field he was referring to. Finally, there was no visual indication of where the user needed to make changes to correct their mistake. This caused the user to change their password instead of changing their username, which resulted in the form showing the same error message repeatedly.
Solutions To The Most Common Mistakes
404 error not found
The main goal of a 404 page is to direct the user to the page they are looking for as quickly as possible. Your 404 page should contain important links and instructions from Which the user can choose. Your best bet is to have a Home link as your main action on your 404 page – a quick and easy way to start over. You can also check “Report this page” to quickly report that a page is damaged. However, make sure the main action (link to the home page) has more visual weight.
Registration not possible
Login screens are usually relatively small, with one field for the username and one field for the password. But the minimum is not always easy. There are many reasons why a user might get stuck at the login screen. The main rule for the login page is very simple: Don’t let the user guess.
We offer solutions to the most common problems using examples from MailChimp, which is great at handling error messages.
- The user forgets his username. If you find that the problem is with an unknown username, please provide a link thatthe user can use to solve the problem. Tell users where to get it (for example, “Check our inbox”) or provide a link to retrieve their username.
Users repeatedly try to log in with the wrong password. To prevent brute-force attacks, user accounts are often temporarily locked out after too many failed login attempts. This is a necessary safety technique. However, remember to notify users before their account gets locked out.
Refusing Credit Cards
A credit card rejection page can be caused by (1) data formatting errors (typo or missing data) or (2) a rejected card (expired card or fraud). Gabriel Tomescu in his article “Anatomy of a Credit Card Shape” suggested the following strategy for both error conditions. “:
For the first issue, you should follow standard practice for real-time online verification and visual indication Ask for an error:
However, if the payment network rejects the card for some reason, it usually looks like a scam. You must delete the data entered by the user. Even so, you still need to tell the user what happened. The error message should be as clear as possible.
Internet access is not ubiquitous, and offline support should be a staple of almost any modern application. If the connection is interrupted, you should try to ensure full offline mode. Users should be able to interact as actively as possible with the rest of your application. This means that the content of the application should be cached for convenient offline operation.
Daniel Sauble in his articleOffers an excellent overview of the offline function of social, mapping and production applications. It’s pretty clear why he suggests caching a little bit of everything than a lot of things and nothing else. Because when the user opens the application, he is waiting for content, regardless of whether he is connected to the Internet or not. If the content isn’t there, they get frustrated and move on to another app that is better able to cache the information they want.
Make sure your application works best when offline. Here are some practical tips from Robert Wu that can be incorporated into almost any application on the market.
Save the latest status. Below are two content delivery apps. The CNN app provides the best user experience by caching the last visit and providing users with the titles of the most recently downloaded articles.
Offers features and standalone features. Every application has features that can (and should) work without a subkey.connection to the Internet. Take Evernote, for example. The app works completely offline: you can edit existing notes or write new ones, and the app syncs everything to the cloud as soon as you reconnect.
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