This means that you have entered your user name or password misspelled or that your account that not exist in the system database, so please check if your typing your user name and password correctly. If the problem persists please check with your administrator (IT specialist) to see if your account exists in the database.

This happens due to missing language settings in your windows language settings.To setup your language settings please follow the instructions below; Left click on the Start button Choose and left click on control panel Double left click on Regional and language options icon In the Regional and Language options window left click on the language tab at the top of the window. In the “Supplemental Language support” section tick the “install files for complex script and right to left languages (including Thai)”. Restart your computer and try using the software again.

This message appears because the short date format setting of your machine does not match the short date format setting of the software. Left click on the Start button Choose and left click on control panel Double left click on Regional and language options icon In the Regional and Language options window left click on the “customize” button. In the customize regional options window left click on the date tab And change the Short date format to( dd/MM/yyyy) or (yyyy-MM-dd)