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Windows Tools to Help Fix PC Issues

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Windows Tools to Help Fix PC Issues

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YouTube Video "Windows Tools to Help Fix PC Issues"

1) Sysinternals

Sysinternals is a comprehensive collection of diagnostic utilities created for people who want real visibility into what Windows is doing behind the scenes. If you know where to look, these tools can reveal the root cause of problems that would otherwise stay hidden.

2) PsExec

PsExec is one of the most powerful tools in the Sysinternals Suite, and it has saved me more than once when a Windows PC refused to cooperate. It lets you run commands, scripts, and even full command prompts on another computer without installing anything on that machine. You can check logs, restart processes, or make system changes even when the desktop is frozen or remote access tools are not working.

Windows has built-in options like PowerShell Remoting and Remote Desktop, but those depend on services that must be set up in advance. PsExec does not need any of that. If you have the right permissions and the PC is reachable on the network, you can get in and start fixing things. You can use it to help machines that will not load a normal desktop, clear out broken services, and run commands that Windows refused to execute locally. Most casual users have never heard of PsExec, but if you help others fix their PCs, it can be the difference between guessing at a problem and actually solving it.

NOTE: PsExec will not open a window if you double-click it. It is a command-line tool, so you need to run it from an administrator Command Prompt or PowerShell session.

3) TCPView

TCPView is one of those Sysinternals tools that looks simple at first glance but turns out to be incredibly useful once you understand what it shows you. It gives you a real-time view of every network connection on your PC, including which apps are talking to the internet, what ports they are using, and where those connections are going. When you try to figure out why an app is hanging, why something keeps phoning home, or whether a strange background process is doing something it should not, TCPView is one of the first thing to open.

Windows has built-in tools like Resource Monitor and the old netstat command, but they either hide too much or overwhelm you with raw data. TCPView sits in the Goldilocks' zone. It updates live, highlights new connections as they happen, and makes it easy to spot anything that looks suspicious or unexpected. You can use it to track down unruly apps, troubleshoot firewall rules, and confirm whether a PC is actually communicating with a server the way it should. If you have ever wondered why something on your system is trying to reach the internet, TCPView gives you the clarity that Windows itself never quite manages to provide.

4) RAMMap

RAMMap helps you understand how Windows is actually using my system memory. While Task Manager gives you a high-level overview, RAMMap goes much deeper. It breaks down memory usage into categories like file cache, drivers, mapped files, kernel allocations, and standby lists. When a PC feels slow for no obvious reason or the RAM usage looks suspiciously high, RAMMap helps you see exactly where the problem is. You can use it to diagnose memory leaks, figure out why a system starts running low on usable RAM, and track down cases where Windows is hoarding cached data longer than it should.

Windows has built-in tools like Resource Monitor and the performance tab in Task Manager, but they only scratch the surface. They show you what is happening right now, not what has been building up over time or which components are quietly consuming memory in the background. RAMMap gives a full snapshot of memory usage and lets you compare it against what you expect from a healthy system. If a process is leaking RAM, if a driver is misbehaving, or if the standby list needs to be cleared, RAMMap makes it obvious.
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