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PC crashing after boot


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#1 harripix

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Posted 12 November 2010 - 01:09 PM

On booting up my PC there are 2 problems that I sometimes face:

The Mouse: The PS/2 ball mouse doesn't work (it doesn't move the cursor). This problem happened a few months ago, but stopped when I installed a Intellipoint Driver, and then started again a few days ago.
Crashing: The computer crashes permanently as soon as I try to load a program, even after everything else has loaded. Task Manager won't open either. The task-bar and desktop seem to crash separately (as in, crashing one won't crash the other). These problems are getting worse.

The most recent programs I've installed are Sibelius 6 and AVG 2011. I've installed quite a few unused programs as well. I've checked thoroughly for viruses, and used AVG PC Tuneup to check for registry errors.
I'm running Windows XP Professional 2002 SP3 with 960MB RAM, and am currently working in Safe Mode so I cannot access 'System Information'.

The problems only occur on startup, and are normally solved by restarting the computer a few times. Once the problem is gone, the computer is fine.

Any suggestions?

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#2 cryptodan

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Posted 12 November 2010 - 03:12 PM

AVG PC Tuneup to check for registry errors.


Bleeping Computer DOES NOT recommend the use of registry cleaners/optimizers for several reasons:

• Registry cleaners are extremely powerful applications that can damage the registry by using aggressive cleaning routines and cause your computer to become unbootable.

The Windows registry is a central repository (database) for storing configuration data, user settings and machine-dependent settings, and options for the operating system. It contains information and settings for all hardware, software, users, and preferences. Whenever a user makes changes to settings, file associations, system policies, or installed software, the changes are reflected and stored in this repository. The registry is a crucial component because it is where Windows "remembers" all this information, how it works together, how Windows boots the system and what files it uses when it does. The registry is also a vulnerable subsystem, in that relatively small changes done incorrectly can render the system inoperable. For a more detailed explanation, read Understanding The Registry.

• Not all registry cleaners are created equal. There are a number of them available but they do not all work entirely the same way. Each vendor uses different criteria as to what constitutes a "bad entry". One cleaner may find entries on your system that will not cause problems when removed, another may not find the same entries, and still another may want to remove entries required for a program to work.

• Not all registry cleaners create a backup of the registry before making changes. If the changes prevent the system from booting up, then there is no backup available to restore it in order to regain functionality. A backup of the registry is essential BEFORE making any changes to the registry.

• Improperly removing registry entries can hamper malware disinfection and make the removal process more difficult if your computer becomes infected. For example, removing malware related registry entries before the infection is properly identified can contribute to system instability and even make the malware undetectable to removal tools.

• The usefulness of cleaning the registry is highly overrated and can be dangerous. In most cases, using a cleaner to remove obsolete, invalid, and erroneous entries does not affect system performance but it can result in "unpredictable results".

Unless you have a particular problem that requires a registry edit to correct it, I would suggest you leave the registry alone. Using registry cleaning tools unnecessarily or incorrectly could lead to disastrous effects on your operating system such as preventing it from ever starting again. For routine use, the benefits to your computer are negligible while the potential risks are great.


For your other issues have you tried another mouse? I know when i used Microsoft Mice that after so many months they would cause my computer to freeze/crash with no other issues. I have since stopped using Microsoft Mice.

#3 Mooseby

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Posted 12 November 2010 - 03:25 PM

Do you have your install disk? A repair install may help you get the system running enough to save your files and then do a full install.

#4 dc3

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Posted 12 November 2010 - 04:40 PM

Do a System Restore to a date prior to this trouble.

Start> All Programs> Accessories> System Tools> System Restore.

When this opens make sure that "Restore my computer to an earlier time" is chosen, and click on Next>.

The dates appearing in bold are the dates that you can restore to, click on the date that you want and then click Next> to start the System Restore. This may take a long time to complete, and when it is done it will restart your computer. When the computer restarts and you have logged on as the administrator a Restoration Complete page will appear, click on OK to complete the process.

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#5 harripix

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Posted 14 November 2010 - 12:19 PM

Okay thanks guys! I've switched to my Wacom Tablet (that I completely forgot I had), and everything's fine now!

Had a go at doing System Restore earlier, but turns out that TuneUp Utilities deleted all of them older than a few months <_< I understand why registry cleaners can suck now :P




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