Spectaculator v7.51 is released. Spectaculator is the world's premier Sinclair ZX Spectrum emulator for PCs running Microsoft® Windows® 7, XP & Vista. Spectaculator emulates the 16K/48K/128/+2/+2A/+3 Spectrums, the Russian Pentagon 128 and Scorpion ZS256 clones, and lots of additional hardware.

Spectaculator v7.51 Changelog:
This is a small maintenance release to address the issue of registration information not saving correctly on some computers running Windows 7.
In addition, 'pixel smoothing' can now be turned off (requested by some users).

Download: Spectaculator v7.51
Source: Here