Win 8 - 64 Bit - fully updated
HP DM1-3020 - 8 GB Ram
Processor - AMD E-350
Browsers - IE10, Chrome 24.0.1312.52 m & Opera 12.12
Ccleaner version - 3.26.1888
I too am seeing Ccleaner locking up either at 12% or 16%. I have rebooted numberous times after each failure. Have not seen any similar problems with prior versions.
System is clean from scans via Norton 360 Premier, Malwarebytes and SuperAntiVirus programs.
Decided to uninstall above current version, and rebooted. D/L'ed and installed prior version 3.25.1872 and again rebooted.
Opened Ccleaner, and it worked properly without any lockups / freezing, so I'm thinking that some code needs to be tweaked in 3.26.1888.
Bob