World Download provider results:

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Site results:

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Crackdb.com results:
Awin System Cleaner v1.15 :: 407 Kb :: 24.10.04
Awin System Cleaner v1.50 :: 68 Kb :: 29.01.05
Pointstone System Cleaner v5.54.170 :: 34 Kb :: 11.06.07
Pointstone System Cleaner v5.56.191 :: 114 Kb :: 4.01.08
Pointstone System Cleaner v5.6.0.202 :: 156 Kb :: 1.08.08
S6Software Automatic System Cleaner v2007.04.15-CRD :: 5 Kb :: 12.04.07
System Cleaner 5.60d :: 7 Kb :: 15.09.08
System Cleaner v5.52.150 :: 21 Kb :: 28.08.06
System Cleaner v5.53.160 4000th RELEASE :: 22 Kb :: 1.03.07
System Cleaner v5.53.160 4000th RELEASE :: 22 Kb :: 2.03.07
Windows Optimizer - System and Disk Cleaner 1.5-MastiC :: 18 Kb :: 6.06.05

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Serials.ws results:
Cleaner: RealSystem Edition for Windows 5 :: 2002-04-01
System Cleaner 4.9 build 208 (2005) :: 2005-09-15
System cleaner 5.52 :: 2007-05-09