Freeware diagnostic utilities




















Being an advanced and reliable replacement for native commands which works with syntax and are of limited capacity, OpUtils' network tools sport a code-free intuitive UI that can scan and troubleshoot your network within seconds.

Supporting IPv4 and IPv6 addressing, various network protocols and standards, OpUtils' network tool set can be your one stop fix for any network related issues. Available for both Windows and Linux users, it seamlessly integrates within your existing network infrastructure allowing you to track, log, and resolve your network issues efficiently.

You can troubleshoot all your network issues right from a single console, with the network tools loaded in the free edition of OpUtils. Download the free edition below! Datadog Network Performance Monitor is a traffic analyzer that gives live reports on network activity and also supports the analysis of historical traffic data. This is a cloud-based service, so all of the processing capacity needed to run the software is provided by Datadog in with the price of the system.

The system requires an agent program to be installed on the monitored network. Datadog is a little different because that function is fulfilled by the Datadog Network Device Monitor. The Network Performance Monitor focuses on network traffic. However, the two Datadog network monitoring services complement each other. It is possible to use the Network Performance Monitor as a standalone tool or in conjunction with the Network Device Monitor. The Network Performance Monitor explores the supervised network and discovers all connected devices, creating a network inventory and a network topology map.

This service is continuous, so it spots any changes made to the network. The network topology map can be used as a menu that gives access to detailed metrics on traffic at that node. Screens of statistics also show overall traffic data that can be drilled through to get link-by-link information. Datadog Network Performance Monitor, like all Datadog utilities, is available for a day free trial. Ping is arguably one of the most well known and most used commands that system admins a have at their disposal.

It is a connectivity application that lets computer operators test if they have a network connection to a remote system, and whether or not it is responding. This is a very handy troubleshooting tool because you can ping any device that uses an IP address or host-name. ManageEngine OpManager is a network and server monitoring package that includes live monitoring and troubleshooting utilities.

The network monitoring service of OpManager starts by sweeping the network and registering all connected devices. This creates a network inventory, which gives you a menu of devices to look through when identifying the root cause of problems.

The OpManager dashboard has a higher level of troubleshooting support in its network topology maps. These are generated on demand from the network inventory. The OpManager system regularly updates the inventory and so the network topology map always shows the current state of the networ4k.

This system allows device agents to send an urgent override message if it detects problems on the monitored device. This message becomes an alert in the OpManager dashboard so you can instantly see which device is causing problems on the network. OpManager is a software package that can be installed on Windows Server and Linux. Russian antivirus firm Dr. Web provides a free online file and website scanning tool that allows users to quickly check if a particular file, archive, or download URL is infected.

Select individual files or archive them, and then upload to Dr. Web, which will run a virus scan based on the company's database of known viruses and malware.

You can also send a download link to the Dr. Web service , which will scan the download for known malware. Verdict: While it's not a replacement for a dedicated security suite , Dr. Web's online file checker gives you an extra layer of security , allowing you to check files being shared or linked to you before clicking on the download.

Verdict: While too tedious to use with every link out there, you can use this tool to check on suspicious or innocuous links received out of the blue from friends and contacts.

It's not infallible , but again, adds extra protection to your internet use. Essentially a cloud antivirus scanner , Bitdefender's free scanner operates through a browser extension, and is a fast-working scanner that checks for malware and viruses active in your memory or within your startup files.

While this should detect many infections , it's not as thorough as a true deep scan. Verdict: Somewhat superfluous if you already have antivirus , but it is a very quick on-demand scanner. Jotti is an online service that allows you to scan a file for viruses and malware. What makes it different is that instead of using just one antivirus scanner , it sends them out to several different antivirus companies and then tells you whether or not any of the companies classified the file infected.

While there is a 25 MB file limit and uploading the file and waiting for it to process might take a bit more time than a single dedicated scanner, Jotti is an interesting way to get second, third, and futher opinions about a particular file. Got your hands on a new piece of software that your AV says is malware?

Check it out with Jotti. As a bonus, anything uploaded to Jotti is shared with the security community so every infected file or false positive you upload helps refine some of the most popular antivirus tools out there.

Verdict: An aggregate virus scanner for single files and executables, Jotti is an excellent way to get additional opinions on files that may or may not be false positives. VirusTotal , acquired last year by Google , provides a free aggregate virus and malware scan , not only for files , but also for URLs. Speedier than Jotti, Virustotal remembers when a particular version of a file or site has already been uploaded and scanned , making for faster verdicts on a certain files or links.

The operating system is not free from bugs and Windows 10 users often face some systematic problems like Blue Screen of deaths, laggy interface, system crashes, etc. Well, each and every problem that you face with Windows 10 operating system can be fixed. In fact, we have already shared a few tutorials on how to fix different types of Windows errors. But, if we need to make things easier, we need to depend on computer diagnostic tools or hardware diagnostic tools windows PC hardware diagnostic tools for Windows 10 can help you to test your machine for software or hardware errors.

So, in this article, we are going to explore a list of best free computer diagnostic tools that could help you to find and fix different errors in your RAM, hard drive, CPU, drivers, etc. Well, Memory Diagnostic Tool or mdsched. The built-in tool effectively runs and checks error that restricts the RAM to perform better. Not just that, but the Memory Diagnostic Tool also displays the test results after completing the scan. On the RUN dialog box, enter mdsched.

It also shows the apps that is affecting the system resources. This is a third-party PC diagnostic tool on the list which can help you to repair stuck pixels on the screen. These stuck pixels become very annoying and its easily noticeable when the screen turns black or dims.

JScreenFix flushes the affected area with tons of different colors every minute. Well, if you are looking for a free computer diagnostic test tool that performs a complete analysis of the state of your disk drives, then CrystalDiskInfo might be the best choice.

The diagnostic tool effectively scans the overall health status and provides you a detailed report. The tool can tell you about the spin-up time, temperature, uptime, error rates, etc. If your PC is running on an Intel Processor, then you need to give this tool a try. The processor diagnostic tool for Windows lets users fix various issues cause by a faulty processor.



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