Address bar history (URL AutoComplete)

Search history

Forms AutoComplete

Browsing history (visited sites history)

Cache (Temporary Internet Files)

Cookies

Stored passwords

Clear index.dat files content

Delete index.dat files

Download history

Windows Temporary Folders (Temporary files directory)

Clipboard data

Recently opened documents list

Disable recent documents list

Recent Items

Recycle Bin

Windows run history (recently run programs list)

Windows search history

Start Menu open programs history (Windows Explorer UserAssist Data)

View preferences for desktop and windows you opened (Streams and StreamMRU)

Page file (swap file)

Recently open/save files list (Common Dialog History)

Most Recently Used list in Microsoft Office programs, Wordpad and MSPaint

Google Desktop history

Toolbar search history (Google Toolbar, Yahoo Toolbar, MSN Toolbar)

Delete history & playlist in Windows Media Player

Skype history

Program scheduler

Shredder option

Invisible mode

"Check" option to select all items for clearing at once

Clear Clipboard (buffer) after paste with Ctrl+V and/or Shift+Ins

Hotkeys to:
Clear All Selected Items
Close All Browsers and Clear All Selected Items

Password protection

Internet Explorer

MSN Explorer

Maxthon (IE2)

AOL Explorer (AOL browser)

Firefox

Safari

Google Chrome

Opera

Netscape

Mozilla