A McAfee Blank White Screen Interface could be caused by these things like: Internet Explorer, Java, Incorrect Registry Keys, Windows Display Drivers and some updates of Windows Service Pack.
McAfee White Screen is caused by your Internet Explorer. Check that your Internet Explorer is not Beta Version. You Must have a Non-Beta Version Internet Explorer and check, if it is up to date?
You can also get the Free Technical Support Help by using the link
http://home.mcafee.com .
How to Resolve
Step: 1
Reset your Internet Explorer
Step:1 Open up your Internet Explorer, on Menu Bar click on Tools, after that click on Internet Options.
After that, you'll get a New Window of Internet Options. On Internet Options Window, click on Advance Tab.
Under Advanced, click on Reset.
Step:2 Press Window Logo Key and R key at the same time from your Computer Keyboard and you'll get a Run Command Box on Left bottom Corner.
On run Box, type the command inetcpl.cpl and click on OK. After that, you'll get a New Window of Internet Options.
On Internet Options Window, click on Advance Tab. Under Advanced, click on Reset.
After that, Download the Registry Key Bat file from the link that I have given below:
http://download.mcafee.com/products/licensed/cust_support_patches/mcscriptfix.zip
After downloading this file, run it as administrator.
If prompted, click Yes in the User Account Control box.
After that, Restart the Computer.
If you still have the same issue, go to Step:2.
Step:2
Verify that Java is installed and up to date.
Install the Java with this link
https://java.com/getjava
After that Verify the Java that you have installed with the same Website.
After Installing and Verifying the Java on your computer Run Command Prompt as Administrator.
Click on Start>All Programs>Accessories> and right click on Command Prompt and Run as Administrator.
After that, Paste these Three Java Script on cmd windows.
REGSVR32 JSCRIPT.DLL
REGSVR32 VBSCRIPT.DLL
REGSVR32 JSCRIPT9.DLL
regsvr32 msxml3.dll
After that, Reboot the Computer...
If you still have the same issue, go to Step:3.
Step: 3
I hope you are using internet explorer Beta Version on your computer. Please uninstall internet explorer beta version from your computer.
Click on Start and go to control panel>Add or Remove programs.
After that, on Left top corner click on "view installed updates"
After that, under the updates list find Internet Explorer and then Uninstall it...
and Reboot the computer. After restart, Internet Explorer would be Downgraded Version and you can double click on McAfee icon from the Desktop Main Screen and the issue will get resolved.
If you still have the same issue, go to Step:4.
Step: 4
If you're getting the same McAfee Blank White Screen Page you need to Update you Operating System.
Go to Start>All Programs>Windows Update.
If you are still facing the same issue, let me know.. I can give you trouble shooting steps which will resolve the issue.