Unlocker

Ever had such an annoying message given by Windows?



It has many other flavors:

Cannot delete file: Access is denied
There has been a sharing violation.
The source or destination file may be in use.
The file is in use by another program or user.
Make sure the disk is not full or write-protected and that the file is not currently in use.

Unlocker is an Explorer extension that allows you with a simple right-click of the mouse on a file or folder to get rid of error message such as error deleting file or folder, cannot delete folder: it is used by another person or program.

Recommended software

I have been asked many times by family, friends, colleagues and recently Unlocker users which software I find to be the best. So here is software I recommend every user should use on their computer.

Link: Unlocker

What is BitComet

A powerful C++ BitTorrent Client

BitComet is a p2p file-sharing freeware fully compatible with Bittorrent, which is one of the most popular p2p protocol designed for high-speed distribution of 100MB or GB sized files. BitComet is a powerful, clean, fast, and easy-to-use bittorrent client. It supports simultaneous downloads, download queue, selected downloads in torrent package, fast-resume, chatting, disk cache, speed limits, port mapping, proxy, ip-filter, etc.

Features

  • Support preview of video file which is being downloaded.
  • Support DHT Network, download trackerless torrent!
  • Completely new core written in C++, stable and fast, very low CPU usage.
  • Ability to limit the upload speed as well as download speed.
  • Clean and free, without any adware or spyware. ( Please note: Spybot may misreport "Comet Cursor" )
  • Multiple simultaneous downloads, ability to select download files in one torrent and set file priority.)
  • Intelligent Connection Optimize, Auto Optimization for different connections, runs well using all default settings.
  • Intelligent Rate Control, optimize the upload distribution in order to get the max download rate.
  • Intelligent Disk Cache, decrease the potential damage to the hard disk when high-speed downloading (>500KB/s) by decrease the read / write frequency, extra memory usage is the cost.
  • Intelligent Disk Allocating, no long-time disk allocation, also decrease the disk fragment to almost zero.
  • Intelligent Hash Scan, no time-consuming scanning when seeding / resume.
  • Firewall and NAT Traversal, users behind differect NAT can now connect to each other
  • Auto config ICF (Internet Connection Firewall) and ICS (Internet Connection Sharing) in Windows XP
  • Auto config port mapping in router (UPnP support is required in router, Windows XP is required).
  • Ability to block IP temporarily or permanently, compatiable with eMule ipfilter.dat.
  • Ability to chat with other downloaders ( disabled by default )
  • Compatiable with Windows XP SP2 TCP/IP restriction
  • ZIP package is also provided, which runs withoust installation.
  • Using only one TCP listening port.
  • Support Multi-tracker, and utf-8 extension, UDP tracker Protocol v2.
  • [Please Note]: It is reported that Zone Alarm 5.0 conflict with BitComet (and other p2p maybe).
  • Support automatically power off with conditions.

Screenshots of BitComet

7-Zip

7-Zip is a file archiver with a high compression ratio. The program supports 7z, ZIP, CAB, RAR, ARJ, LZH, CHM, GZIP, BZIP2, Z, TAR, CPIO, RPM and DEB formats. Compression ratio in the new 7z format is 30-50% better than ratio in ZIP format. It also compresses to ZIP 2-10% better than PKZip and WinZip. It has an additional powerful command line version and FAR Manager support.

The main features of 7-Zip:

  • High compression ratio in new 7z format with LZMA compression
  • 7-Zip is free software distributed under the GNU LGPL
  • Supported formats:
    • Packing / unpacking: 7z, ZIP, GZIP, BZIP2 and TAR
    • Unpacking only: RAR, CAB, ISO, ARJ, LZH, CHM, Z, CPIO, RPM, DEB and NSIS
  • For ZIP and GZIP formats 7-Zip provides compression ratio that is 2-10 % better than ratio provided by PKZip and WinZip
  • Self-extracting capability for 7z format
  • Integration with Windows Shell
  • Powerful File Manager
  • Powerful command line version
  • Plugin for FAR Manager
  • Localizations for 63 languages
7-Zip works in Windows 98/ME/NT/2000/XP. There is port of command line version for Linux/Unix.

7-Zip is a free software distributed under the GNU Lesser General Public License.

http://www.7-zip.org/

Screencasting: Screen Capture Software

  • Macromedia Captivate
  • Wink. Cross-platform (Windows and Linux) screen capture software program that you can use to create screencasts. It is free to use for personal and businesses.
  • BB Recorder. This is a sleek screen recording program from Blueberry Software. There are different versions available - including a free demo version.
  • Camtastia Studio
  • Cam Studio. This is a free, basic program for screencasting / screen recording.

The Print Screen key (Prt Scr) is a useful key supported on most PCs. Pressing the Print Screen key causes the computer to send whatever images and text are currently on the display screen to the Windows Clipboard. To copy/capture the current window, hold down ALT + Print Scrn at the same time. To capture the entire screen, just press Print Scrn.

Safari Compatibility Test

To access this tool, point your browser to http://snugtech.com/en/safaritest/ and enter your desired URL. Select the output image of either in PNG or JPG format. Don’t forget to set the resolution to 800, 832, 1024 or 1280. Click on the View button and wait for your site’s image to be produced. Select the enlarged version so that you can study your site closely. Remember, you can also specify individual pages if you want.

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