While it’s unlikely that the fate of your nation depends on it, there may be times when being able to pass on sensitive files to other people is a necessity. The obvious example is to encrypt those files in some way, either by storing them in a password-protected location or by encrypting them on the fly before passing them on.

The problem with this approach is that it’s rather visible. Your encrypted files by their very nature advertise the fact they contain some form of sensitive data, attracting unwanted attention. So what can you do about it? The answer lies with steganography, and a free tool for Windows called SteganPEG 1.0.

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PC storage space is cheap these days, and if you’ve just bought one of the latest 4TB drives then the chances are you won’t be worried about filling it any time soon.

It’s still important not to waste hard drive space, of course: the more clutter you have, the longer your file searches, virus scans, defrags and other system-wide operations will take. Understanding what’s stored on your hard drive is  a key part of PC maintenance, then, and Disk Sorter Free could be the ideal program to help.

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If you’re viewing a PDF and find an image you’d like to reuse, then extracting it is usually easy enough: just right-click the picture, select Copy, and it’ll be sent to the clipboard, ready for pasting wherever you need.

This approach isn’t exactly convenient if you want to extract a large number of images, though. And it may not work with some PDF files, or other file and document types. In situations like these, what you really need is a more automated approach, a program which can extract the JPEGs from almost anything – and that’s exactly what deJPEG claims to do.

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Deleting files on a PC is normally very easy. But sometimes, just occasionally, Windows will tell you that it can’t help because the file is “in use”. And that can quickly become very frustrating, especially if you can’t see why the file is open, or it’s something you really need to delete (a malware component, say).

To resolve this you should try closing all running applications, rebooting, perhaps try to delete the file from Safe Mode. But if this doesn’t work then you could always turn to ForceDel, a tiny command line tool which can forcibly delete files, even if they’re open in another application.

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There have been a lot of big unveilings at Google I/O — an overhaul of Google+, updated maps and much more. But perhaps one of the most intriguing revelations is Hangouts. This name may well seem familiar, but it now refers to a unified messaging system that caters for iOS, Android and Chrome users. There are apps and extensions available for each of these platforms, and the idea is to bring all Google related communication into one place.
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Tennessee software developer Bitsum has released Process Lasso 6.5 and Process Lasso 6.5 (64-bit), a major update of its performance tool for keeping PCs running smoothly by intelligently managing system processes.

Version 6.5 represents a major overhaul for the software, with Bitsum promising that it’s been “considerably optimised, profiled, tested and polished”. The latest build also features a smattering of new features and improvements.

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Microsoft’s decision to drop the Start menu in Windows 8 has caused plenty of controversy, but fortunately it’s made little difference to the end user. Developers quickly realised that many people really don’t like the new interface at all, and they’ve produced a host of free tools to help make Windows 8 look and feel as much like Windows 7 as possible.

Start Menu Reviver, though, has a different aim. Instead of ignoring Microsoft’s Modern UI, it adapts it, with configurable tiles rather than text links. There’s good integration with Windows 8, including the ability to launch Start Screen apps from your desktop. But at the same time, it’s not tied to Windows 8 systems: if you like the look, you can install and run the program on Windows 7, too.

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Converting videos from one format to another can be a complicated business, so it’s no surprise that most conversion tools focus on ease of use above all else. But this can also mean the programs lose a great deal of functionality. Encoders such as FFmpeg – the engine behind many free converters – are absolutely packed with features, but the need for simplicity means most of these aren’t accessible to the end user.

There are some projects which take a different view, though, and TEncoder is a good example. This is a converter which isn’t afraid to expose options and settings, and at first glance this makes for a cluttered and intimidating interface. But look past that and you’ll find a tool which manages to be both powerful, and (once you know where everything is) generally very easy to use.

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Mozilla has released Firefox 21.0 FINAL, a major new version of its cross-platform, open-source web browser for Windows, Mac and Linux. Version 21 gives users more control over their tracking cookie preferences, extends the social API to support four new providers and implements support for tools to help with troubleshooting and performance issues.

Although Firefox 21 doesn’t have quite the impact version 20 did with its new panel-based downloader, per-window private browsing and ability to close hanging plugins without crashing the entire browser, but it still throws in some useful features, all of which have smoothly migrated from the Beta version.

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Not everyone is a web-coding whizz, or wants to learn the intricacies of HTML, CSS, PHP or other web-based programming languages. Xara Web Designer 9 is aimed squarely at those who prefer to design websites using desktop publishing tools, where what you see on-screen is what you expect to see with the finished design. Over recent years, Web Designer has built into a powerful, user-friendly tool that – a few quirks aside – makes designing websites as simple as putting together magazines, newsletters or brochures.

At first glance it looks beginner-friendly: pick a template, import your text and graphics, and build your site page-by-page at a time. But that does Web Designer a disservice, because if you delve deeper, you’ll find it has all the tools you need to design more complex sites that are attractive to look at, easy to navigate and bursting with support for all the latest technologies, from Flash-based animations to interactive widgets.

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Azureus Software has released Vuze 5.0, a major update of its open-source, cross-platform Bittorrent client. Version 5.0’s improvements and changes have been focussed on its “core functionality”, making the locating, adding and downloading of torrents much easier with this release.

This has been achieved by tweaking the user interface, Sidebar and Library views to make these features more visible, and are joined by other changes, including better tools for accessing Vuze remotely and a new tagging system for managing torrents.

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