Reducing Heat Inside the PC to Prevent Overheating

This document pertains to HP Notebook PCs.

Heat buildup can cause problems for any computer. Generally, when temperatures inside the case rise above 35 degrees Celsius (95 degrees Fahrenheit), the risk of damaging important internal components increases greatly. The most common cause of overheating is the accumulation of dust inside the computer. The electrical components in a computer generate heat and fans inside the computer help move the air to keep the components cooled to normal operating temperatures. Inadequate cooling can cause excess heat to build up inside the case which can damage components.The sound of the fan running all the time may indicate that the computer is not running as efficiently as possible and that there is a problem with accumulated dust clogging the air vents.

View a video on Reducing Heat Inside the PC

Symptoms of heat issues and causes of excessive heat

The following list describes some of the issues caused by too much heat in the computer:

Games stop responding during play.
Windows stops responding during use.
Fans inside the computer become louder because they are spinning faster to remove the heat.
When starting the computer, it sometimes stops at a black screen and does not open into Windows. Windows usually stops responding when it does open.
Mouse and keyboard stop responding.
Windows 8, 7, Vista, XP - Computer unexpectedly restarts or displays a fault message.
Windows 95, 98, and Me - Frequent Fatal Exception, Illegal Operation, or General Protection Fault error messages occur in several software programs.

NOTE:These errors are not predictable. If these errors occur only in one software program, the issue

Best Free Antivirus-2013

Our best free antivirus round-up has been fully updated for August 2013.
Viruses, spyware, hackers, phishing sites - the web is a dangerous place, and every PC owner needs effective, reliable antivirus software to keep them safe. But this can be expensive, especially as you'll pay again to update the package, each and every year.
Fortunately there is plenty of free antivirus software, many of which are just as capable as their commercial cousins. So if you're tired of annual subscriptions, read on - we've picked out nine of the best free internet security tools to deliver great security at no cost at all.

1. Avast Free Antivirus

You don't have to spend long with Avast Free Antivirus to realise why it's one of the most popular security tools around.
The program is simple to install; a straightforward interface makes it easy to use; a quick first scan should identify any potential threats on your PC, and this all has minimal impact on your system performance.

These aren't just subjective opinions, either. Independent testing by AV-Test has found the program to be a good all-rounder, and it was one of AV-Comparative's "Products of 2012".
Avast Free has some useful extras, too. A Software Updater alerts you to program updates you've missed, for instance, while its Browser Cleanup tool provides a simple way to remove unwanted add-ons from your browsers.
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Register comdlg32.ocx on x64 Win7

Today when I run an old tool on my x64 Windows 7, following error message is displayed:
Component ‘COMDLG32.OCX’ or one of its dependencies is not correctly registered: a file is missing or invalid.

Here is how to resolve comdlg32.ocx missing error.

1. Download comdlg32.zip and extract comdlg32.ocx from zip file