When your personal computer, or PC, is slow or giving you a constant stream of error notices, don’t panic. There are plenty of free programs that you can find online that can help you discover and fix problems with your computer, and in turn make your computer run at optimal speed once more.

A great program like this with a free trial is Error Doctor. Many of the errors you find on your computer are caused by nasty malware such as spyware and adware, these can seep into your computer through various websites. Spyware is particularly dangerous as it attempts to capture your passwords, email and credit card number. Adware is more benign but aims to track your internet use for advertising purposes.

With these programs sneakily running themselves in the background your computer’s processing speed can really take a hit, but you can fix this by cleaning out your system. With Error Doctor’s free trial download you can easily scan your computer and fix these issues.

Here is what Error Doctor does:

1. First thing’s first: download the Error Doctor program from the official website, or another download site; follow the simple directions that pop up on your screen.

2. If you would like to, you can make a back-up file of your computer’s data as it currently is, infection and all. Just in case there’s a problem when you run Error Doctor, this back-up will let you put things back to how they were before you used the cleaner. It’s just a good policy to have a back up before you get started.

3. Now, the Error Doctor software will scan your computer and find all those annoying spyware and adware programs and list them for you to see.

4. You can then use Error Doctor to manually delete the spyware and adware, either by deleting individual files or mass-deleting an entire group of files. After the free trial has ended you will be asked to buy a full license key in order to continue use.

If you want your computer to be as fast as when you first bought it again you’ll want to try Error Doctor or one of the many other malware busting programs available.

Technorati Tags: Computer, computer errors, fix computer errors, Fix PC Errors, fix runtime errors, fix windows error messages, fix windows errors, pc, troubleshoot, virus, vista, windows, windows error messages, xp

More on, you could download some reliable softwares below:
http://www.pctools.com
http://www.download.com
http://www.download.com.ph

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Registry Structure

Windows operating systems launched prior to Windows 95 stored configuration information of all installed programs in their respective INI files. As each program required its own INI file, a lot of disk space was required for one application. To counter this problem, Microsoft introduced the registry with their Windows 95 operating system. The registry was a big breakthrough because it provided a central location to store all hardware and software related configuration information. This not only helped in saving disk space, but also considerably enhanced PC performance.

The registry has tree-like hierarchal structure, which is a lot similar to the folders in Windows Explorer. On your Windows computer, you can view the registry from the Registry Editor that you can open by running the “Regedit” command from Start > Run.

The registry comprises five root keys—HKEY_CLASSES_ROOT, HKEY_CURRENT_USER, HKEY_LOCAL_MACHINE, HKEY_USERS, and HKEY_CURRENT_CONFIG. Out of these HKEY_USERS and HKEY_LOCAL_MACHINE are the real root keys.

HKEY_LOCAL_MACHINE contains all information related to installed software and hardware and HKEY_USERS comprises all information related to different user profiles created on your computer. The other three keys are user-specific mirror keys because they extract information according to the currently logged on user from the two real root keys. HKEY_CLASSES_ROOT and HKEY_CURRENT_CONFIG extract their information from HKEY_LOCAL_MACHINE and HKEY_CURRENT_USER extracts the information from HKEY_USERS.

Need for Registry Repair

The registry changed the way Windows works by centralizing all configuration information. However, it is not fool proof. Because the registry is accessed for each and every task performed on your PC, the chances of registry errors are quite high. One of the common causes of registry problems is frequent program install and uninstall, especially incorrect uninstall because it increases the amount of unwanted information in the registry.

Many other daily activities, such as Web browsing, editing of system configuration, accessing and working with various installed applications and so on, also add numerous entries to the registry. Even malware, such as virus, Trojan, and spyware add a large amount of unwanted entries in the registry. All of these factors contribute to the increasing registry size. A large registry is prone to damage easily and generate various computer errors, such as runtime errors, DLL errors, and driver errors.

To prevent and fix computer errors generated by registry problems, you must perform regular registry repair.

Use Registry Cleaners to Perform Registry Repair

Opening the Registry Editor reveals that the registry is quite complex and it is not possible for a layman—perhaps even an experienced computer professional—to manually perform registry repair.

Therefore, just like all other PC maintenance tools, it is a good idea to opt for a registry cleaning tool to cleanup and repair the registry. Due to the increasing need, a large number of registry cleaner tools are available on the Internet and you can choose and download the one that best meets your requirements. While selecting a registry cleaner tool for yourself, you must ensure that it is compatible with your operating system and that it has good user feedback. As these tools work directly on the registry, a buggy tool can cause severe damage both to your registry and to your system.

Features of Registry Cleaners

Using a reliable and efficient registry cleaner, you can perform the following registry maintenance tasks:

• Automatically and efficiently scan the registry for problems, and repair them.
• Fix various computer errors, such as ActiveX/COM errors, DLL errors, Drivers Errors, and runtime errors.
• Remove malicious entries added by malware programs and remove virus, spyware and other malicious programs from your system.
• Defragment the registry to compress it by removing unnecessary empty registry keys and make the registry files contiguous by re-indexing the registry files.
• Make regular registry backups that you can use to restore the registry in case the current registry is damaged—you must always back up the registry before performing any major system configuration change, direct edits to the registry, and registry scan and repair using a registry tool.
• Perform other system maintenance activities such as managing startup programs, Internet Browser Help Objects (BHOs), and unwanted Internet Files, such as cookies, temporary files, and history.

Registry health is crucial to maintain an error-free and efficient computer. Perform regular registry scan and repair using a reliable registry cleaner tool and ensure yourself a healthy, high performance PC.

Technorati Tags: registry, registry problems

New features in Service Pack 3 :
Turns black hole router detection on by default
Network Access Protection client
Windows Imaging Component
Credentials Security Service Provider
Descriptive Security options in Group Policy/Local Security Policy user interface
An updated version of the Microsoft Kernel Mode Cryptographic Module that is FIPS 140-2 certified
Installing without requiring a product key during setup for retail and OEM versions
Service Pack 3 does contain security updates for .NET Framework version 1.0.
SP3 also omits security updates for Windows Media Player 10 and the Address Bar DeskBand on the Taskbar is no longer included due to legal restrictions.

Problems:
For computers with local hard drive size limitations 1 GB of space required on the local hard drive during download and installation of the service pack is preventing installation and forcing unlimited downloading by the automatic updates, as the service pack is continuously redownloaded after each unsuccessful attempt. A workaround for this has been found, which involves downloading SP3 from the Microsoft download site and installing from an external drive. Then moving the ServicePackFiles folder to another drive and using Regedit to edit the Service Pack Source Path in the registry.

On certain non-Intel machines, SP3 can trigger a stop error which prevents Windows from booting. This happens in cases where the manufacturer wrongly set up a non-Intel machine using an image from an Intel machine. As a result, a key in the registry incorrectly indicates an Intel processor, thus causing SP3 to erroneously attempt to load the intel driver during startup. Microsoft has posted multiple methods for resolving this problem.

Now after reading this you can form your own conclusion.

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RegCure scans your computer for free. Then RegCure instantly reports on critical errors impairing your PC’s normal operation.

RegCure’s advanced cleaner fixes your PC’s registry errors and tweaks your system for the best blazing fast performance ever.

The use of RegCure safely repairs critical system errors. “My computer was giving me fatal error messages and then freezing. I downloaded the free scan and found 363 errors. After using RegCure to fix my PC, it is running like new.”
Yorgi S.
Seattle, WA

Technorati Tags: Fix PC Errors, RegCure