Advanced Windows Optimizer v5.11
+Fixed & improved AWO File Splitter, removed 4GB file size limitation of previous version
+Optimized AWO Task Scheduler, added additional 6 options
+Improved compatibility of Disk Cleaner with Microsoft Office 2000/2003/XP

Advanced Windows Optimizer v5.1
+Improved History Cleaner
+Added 300+ Eraser Plugins
+Added Task Scheduler
+Improved File Shredder
+Added Wash Free Space feature

Advanced Windows Optimizer v5.0
+Completely redesigned interface
+Corrects up to 400% more errors
+Added Windows Tools module
+Improved Registry Cleaner
+Improved Disk Cleaner
+Improved System Control Modules

Advanced Windows Optimizer v4.0
+Added Auto Shutdown tool
+Improve Registry Cleaner
+Improve Disk Cleaner
+Added System Control Modules

Advanced Windows Optimizer v3.0
+Registry Cleaner upgrade to 3.0
+EXE Protector upgrade to 1.3
*Fixed a bug in File Lock that may cause password lost

Advanced Windows Optimizer v2.2
+Disk Cleaner upgrade to 3.0
*Friendly launch UI

Advanced Windows Optimizer v2.1
+Added new tool 'BHO Remover'
*Improved Disk Cleaner
*Improved Registry Cleaner

Advanced Windows Optimizer v2.0
+Added new tool 'Registry backup and restore wizard'
+Added new tool 'Registry Search' tool
*Improved Shortcuts fixer
*Improved Uninstall manager
*Improved Secure delete tool

Advanced Windows Optimizer v1.61
+Added new tool 'History Cleaner'
+Improved memory optimizer
*Fixed a bug in Disk Cleaner
+Improved startup cleaner

Advanced Windows Optimizer v1.5
+Friendly utilities launch UI
+Added new tool 'File Splitter'
+Added new tool 'Secure Delete'
+Added new tool 'Memory Optimizer'
*Fixed a bug that may cause duplicates files can not be removed
*Improved scanning speed in Registry Cleaner
*Improved file lock & EXE Protector tool

Advanced Windows Optimizer v1.0
+Release at 2005/12/12