Just noticed another glitch in Explorer extension scan Results.
I belive that extra red text is missing. People don't know in which unit you count the total filesize. Also rounding to nearest bigger unit would be a good idea.
Use the following table on how to display total filesizes.
<1KB,use bytes
<1MB, use kilobytes
<1GB,use megabytes
<1TB,use gigabytes (but we don't need this one yet)
But if you can't realize this, just extra "bytes" text in the end of value should do the trick. And dot separation of decimal places for every 3 digits.