Microsoft has officially released the final version of Internet Explorer 11 for Windows 7. The latest iteration of its evergreen web browser ships with a firm focus on performance, with the promise of a 9 percent improvement over IE10.

There’s little visible difference between Internet Explorer 11 and its immediate predecessor for Windows 7 users -- none of the added functionally in the Windows 8.1 release has found its way into this build.

jAlbum AB has released jAlbum 11.6, a performance-oriented update of its cross-platform web album builder that’s free for personal use. In addition to improving performance, version 11.6 adds a few minor changes and includes a number of notable bug fixes.

The main highlight of version 11.6 comes with vastly improved performance when editing videos, both when selecting a representing thumbnail and starting or stopping editing. Also notable is an improvement to the user interface, which is now more responsive when managing images that lack cached thumbnails.

Prefetching is an excellent Windows Vista/ 7/ 8 performance-boosting technology where the system monitors applications as they start, detects any dependent files they might need, and preloads them when the program next starts. This can drastically cut down disk access times as an application switches from one file to another, making a real difference to your system boot and application launch times.

There’s more to prefetching than PC optimization, though. You can also use this data to monitor which programs are being launched on your system, and when. And you can view the files a program accesses when it first starts, which could be useful when troubleshooting. All you need is a forensics tool like Sanderson Forensic’s Prefetcher to interpret the data for you.

If programs aren’t running as expected on a PC then checking whatever .NET versions are installed is often a good idea. So it’s a pity that Microsoft doesn’t provide a quick and easy way to do this, instead forcing users to navigate through multiple Registry keys (not so helpful when you’re trying to remotely troubleshoot problems with a PC novice).

Fortunately there are plenty of more straightforward alternatives around, and one of the more capable, ASoft’s portable .NET Version Detector, has just been upgraded to version 14.

Online password manager LastPass has updated its range of browser-based extensions with the release of LastPass 3.0 for Windows, Mac and Linux. The manager, which supports all major web browsers, comes with a fresh new design and changes to the way users interact with web forms.

Also updated are the company’s premium-only mobile apps, LastPass 2.5.2 for Android, and LastPass for Windows 8, while LastPass 2.0.6 for iOS will be updated once it’s passed Apple’s store approval process.

Open-source password manager KeePass 2.24 has been released for Windows. The tool, which allows users to manage a variety of online and offline passwords via a secure, encrypted container, boasts a number of minor new features to go with an impressive list of changes and improvements for such an incremental release.

First, KeePass 2.24 adds support for importing passwords from Norton Identity Safe 2013 CSV files. It also now supports tags when using either the generic CSV importer or Mozilla Bookmarks import options.

PhrozenSoft’s VirusTotal Uploader has been updated to version 3.0, and there’s plenty of useful new functionality to explore.

You no longer have to launch the program as an administrator, for instance. You’ll still be able to upload most files to VirusTotal, get a verdict on whether they’re malware, and if you do run into any limitations then the program can be elevated at any time.

Resplendence Software’s PC crash analysis tool WhoCrashed has been updated to version 5.0.

The big news in this release is that the program now runs properly on Windows 8.1. If your new system has a blue-screen crash, run the program, click Analyze and it’ll try to identify the cause for you. The crash report includes new hardware information, including system manufacturer and motherboard name.

Web pop-ups are annoying, intrusive, and potentially dangerous, which is why all the top browsers make at least some attempt to block them. Google’s Chrome is no exception, but it won’t stop everything, and so you might want to add a little extra protection in the shape of JavaScript Popup Blocker.

As you’ll guess from the name, this free extension aims to block all JavaScript-generated pop-up and pop-under windows. You don’t have to worry about configuration, at least initially, as it starts working right away: just carry on browsing as normal.

SeriousBit has rolled out EnhanceMy8 2.0, the latest edition of its Windows 8 maintenance and tweaking utility.

This release benefits from full Windows 8.1 support (although of course it also runs just fine on Windows 8). EnhanceMy8 2.0 is also the first digitally signed version of the program, which should ensure that it’s properly recognized as a trusted program by your security software.

Amazon has continued to roll out its Cloud Player application with the release of Amazon Cloud Player for Mac 2.0 (despite the version number, this is the first release on the Mac platform). The new player is practically identical to the Windows build, which debuted in May.

Amazon Cloud Player, also available for iOS and Android, allows Amazon users to access all music stored in its Cloud Player service.

IObit has announced the release of Advanced SystemCare 7, its flagship PC maintenance suite. The package now integrates IObit’s Driver Booster, which locates and reports on missing driver updates.

The Program Deactivator aims to free up system resources by disabling startup entries and scheduled tasks for programs you’re not using, and a ManageMyMobile feature helps you "manage, clean, optimize and back up your Android device", or so IObit claims. In reality it just allows you to remotely install the company’s Advanced Mobile Care Android app, so doesn’t add much to the suite, although it may be helpful if you didn’t know the app existed.

Nir Sofer has announced the release of QuickSetDNS 1.0, a compact and portable tool which makes it easy to change the DNS servers for your Internet connection.

The program’s built-in options are rather limited. It can only configure your Windows 2000-8 PC to use Google Public DNS; to automatically retrieve DNS details from your router, or to restore whatever custom DNS settings you have when QuickSetDNS was first launched.

Mozilla has released Firefox 25.0 FINAL for Windows, Mac and Linux. The big splash in version 25 is official support for the Web Audio API, which allows developers to manipulate and play audio assets within a web page or app using HTML5 rather than a plug-in.

Mozilla has also confirmed that it plans to continue supporting Windows XP. This means XP users will continue to be supported by two major web browsers -- Chrome is the other --– after Microsoft pulls the plug on support next year.

Does the world need another system cleaning tool, even if it’s on the Mac? IObit thinks so, and the result is MacBooster 1.0.1, the company’s first foray into the Apple market. This paid-for tool, available as a 14-day download, attempts to provide a one-stop shop for cleaning and optimizing your Mac.

Its subtitle is "For the Maximum Speed", and to that end bundles a selection tools to help clear out junk, improve security and free up system resources.