Hello JayAmeristop,
Please try to follow these steps to add the web exclusions one more time -
https://www.malwarebytes.com/support/guides/mbam/WebExclusions.html
Personally, I wouldn't recommend you running MyFasterPC. Please take a look at the VT results regarding the MyFasterPC installer -
https://virustotal.com/en/file/5cb5e831812519689658a572c5bde36a75892802acca7d1c4b13aa9ff35b7996/analysis/1479811464/
If you want to remove temporary files and other junk from your system, you can use CCleaner Free -
https://www.piriform.com/ccleaner/download