Fortect’s “PC optimization” is mostly placebo. Do this instead:

Instead, use this article as your free repair guide. Run sfc /scannow , use DISM, clean your disk with BleachBit, and scan with Windows Defender – all without spending a cent or risking your security.

If you lost your key, search your inbox (including spam) for "Fortect" or your order number.

Even without a license key, the basic free version provides several useful tools:

chkdsk C: /f /r