Windows Fix Disk is a fake Defragmenter tool (rogue) from the same family as: Windows Restore, FakeHDD. This version has the same GUI as: Windows Repair, Windows Recovery, Windows Diagnostic, Windows Tool, WinScan
To register (and help removal), copy paste this code: 8475082234984902023718742058948
Click on Help & Support button.
Source: Windows Fix Disk
