Hard Drive Diagnostic is a fake Windows program that uses Trojan based techniques in order to enter random computer systems and imitate being a system optimization tool. The program has been created by cyber criminals in order to steal people’s money by selling completely useless software.

Hard Drive Diagnostic causes tons of annoying pop up messages and other warnings appearing from Windows task bar. Here are some examples of them:

Requested registry access is not allowed. Registry defragmentation required

Read time of hard drive clusters less than 500 ms

32% of HDD space is unreadable

Bad sectors on hard drive or damaged file allocation table

GPU RAM temperature is critically high. Urgent RAM memory optimization is required to prevent system crash

Drive C initializing error

Ram Temperature is 83 C. Optimization is required for normal operation.

Hard drive doesn't respond to system commands

Data Safety Problem. System integrity is at risk.

Registry Error - Critical Error

Critical Error!

Damaged hard drive clusters detected. Private data is at risk.

Critical Error

Hard Drive not found. Missing hard drive.

Critical Error

RAM memory usage is critically high. RAM memory failure.

These messages are completely fake and don’t say any truth about your computer system. Ignore them and any other tools used in order to convince you into purchasing Hard Drive Diagnostic. We strongly recommend removing Hard Drive Diagnostic using a reputable antispyware program.