Black Candles are bearish lines in candlestick and candlevolume charts. They signify that the closing is lower than opening for that time period.
CHKDSK, short for Check Disk, is a utility that checks the integrity of the files and file structure of your hard disk. I'll walk you through it. I have disk problems and you said I should run CHKDSK. Great.
Start this Free Scan to check for threats to your PC Security. This information brought to you by PC Matic SuperShield. Start this Free scan to check your threats to your PCs security. rvkroots.exe is a Microsoft or Windows process but some versions of this exe carry viruses. Check your PC for the bad versions of this file-with this Free Security Scan.