How to solve that your computer freezing after startup process?

If your computer starts up normally, but then has a problem once it has started, such as the screen freezing or it is running very slowly, there are a number of tricks you can try.

Restart your computer

This will solve many desktop and laptop problems. It's quick and easy so is always worth trying first. If your computer screen has frozen you can usually force a shut down by holding down the power button until the computer turns off, then start up your computer again.

If it won't turn off, you can force a complete shutdown - with a desktop PC by turning off the power at the mains and a laptop by removing and replacing the battery.

Backup your files

Even small problems, such as your computer running slowly, could be symptomatic of a bigger issue. To avoid losing important files and photos if the problem escalates, back up all your files.

Run computer security checks

If you think that your computer running slowly than previous time, it would happen by the virus or malware attack, so in this situation you have to run your security apps, and update them first and do scan. You can use an antivirus software and SuperAntispyware for malware, this anti malware apps free version is enough for you to remove spyware, malware, and other security threats.

Remove recently installed program

If your computer has problems just after you've installed a device or a software program – whether you've installed it from a disc or downloaded it from the internet - uninstall the last piece of software you put on your system. To do this safely and fully, go to the Windows Control Panel (accessed from your Start menu) and select 'Add or remove programs'. Once you've uninstalled the program, check for improvement. If everything's working OK again, you can try reinstalling.

Check for duplicate programs

Problem will arise if you have installed more than one version of an application. Check add remove program list in your control panel for duplicate program and uninstall all version of same application and reinstall one version of the application.

Do not use more than one antivirus program

If you are using more than one antivirus program on your computer this will cause to crash yours PC and slowdown your PC. For example if you are using Microsoft security essential with another antivirus like Norton or McAfee, this will slow down your computer by sluggish.

Check for and install Windows update

This will improve the performance and reliability of your computer. You can change update setting to check for update and install automatically, but if you like to check and install update manually. I think automatic update is easy and more security for your PC.

Make a system restore

This is a powerful and effective tool and will fix many PC problems by reverting your computer system to the last state in which it was working well. Go to Start> All Programs> Accessories> System tools> System restore or in Windows 7 just enter 'system restore' (no quotes) in the search box.

Once you are in the main window, if you have an available restore point the date will be highlighted in bold. Click that date and simply follow the step-by-step wizard that will take you through the process and will even restart the computer for you. If it has restored successfully you will get confirmation.

Conduct a system repair

You will need your original Windows operating system disc for this. Put your disc in the disc drive and restart your computer. When the computer turns on, you will see an on-screen menu with a number of options. Select the repair option - in Windows XP you do this is by pressing 'R'.

WARNING - DO NOT select the option to install Windows – if you do so and proceed with a full Windows installation, it will wipe your drive and re-install Windows from scratch. This will lose all of your data. Using the repair option will not affect your data, but to be on the safe side, back up your files before trying this method.