Ans：You can use Google Chrome or IE 9.0 or later browser to view this Web site. The best resolution is 1024 x 768.

Ans：You can download Google Chrome with hyperlink as follow：
https://www.google.com/chrome/browser/desktop/index.html

Ans：This message indicates that your user ID or password is incorrect. Check your spelling and repeat the process.

Ans：This message means that you are currently using an unregistered IP address to access our system. Please switch to the original IP address you provided to UMC or contact the system administrator to change your IP address.

Ans：Go to login page and select "Forgot Password". Enter your Vendor ID, Login ID, E-mail and verification code, then select "Send". The system will send a new password to your E-mail box.
If the email address above is different from the one you provided when your account was registered, please change the email address to the correct one by selecting or apply for a new email address by selecting .
To change your email address, please fill in the “Buyer Name” and select “Send”. Please be noted that the application will take about 7 working days to complete.

Ans：Go to login page and select "Forgot Account". Enter Vendor ID, Company Name, PO NO, Buyer Name, Application User Name, Tel, E-mail and verification code, then select "Send". The system will notify UMC Buyer and system administrator to deal with your request. Once confirmed the account name, the system will reply to you.

Ans：Do not use plug-in translation or other translation software when using UMC EP system to avoid any anomalies.