Uninstall RegClean program from the control panel and check.
Refer to the link.
Uninstall or change a program
Run the Microsoft fixit from the link.
Fix problems with programs that can’t be installed or uninstalled
I would suggest you to download and run the latest Microsoft Safety Scanner on your computer and check if it helps:
Note: Any data files that are infected may only be cleaned by deleting the file entirely, which means there is a potential for data loss.
Let’s test the issue in safe mode.
Refer to the link.
If it works fine in safe mode, perform clean boot.
NOTE: After troubleshooting, revert the computer to start as usual (Refer to “Step 7” from the link mentioned above)
How to uninstall or reinstall supported McAfee products using the Consumer Products Removal tool (MCPR)
Uninstall supported McAfee: Download
Software vendors are also likely to withdraw their technical assistance soon after, so this is the best time to ensure you’re not left behind. XP will still work, of course, but it will quickly become impossible to protect it from the countless bad guys on the internet.
Malicious Software Removal Tool:http://www.microsoft.com/en-us/download/malicious-software-removal-tool-details.aspx
How to resolve BackgroundContainer.dll error on startup? Click here
Microsoft Safety Scanner: http://www.microsoft.com/security/scanner/en-us/default.aspx
Backup your data. you can save into cloud storage
Google Drive: http://drive.google.com
Just Cloud: Just Cloud
Drop Box: https://www.dropbox.com/
12 free cloud storage options: http://www.networkworld.com/news/2012/092512-free-cloud-262764.html
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