Registry cleaners are extremely powerful applications
then used CCleaner and the registry fixer in CCleaner.
. There are a number of them available and some are more safe than others. Keep in mind that no two registry cleaners work entirely the 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 a problem when removed, another may not find the same entries, and still another may want to remove entries required for a program to work.
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 unbootable.
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
". Using registry cleaning tools unnecessarily
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
If you cannot bootup in normal or safe mode
, then your options are limited
. You may be able to use a Windows XP bootable Floppy Disk
to boot from a diskette instead of your hard drive. If your hard drive's boot sector or Windows' basic boot files have been corrupted, this disk will circumvent the problem and boot you into Windows. If you don't have an emergency boot floppy, you may be able to use one created on another PC running Windows XP but there's no guarantee that it will boot your machine.
• Resolving Boot Issues with a Boot Floppy Disk
• How to obtain Windows XP Setup boot disks
and select the download that's appropriate for your Operating System. The Setup boot disks are available so that you can run the Setup program on computers that cannot use a bootable CD-ROM.
Another option is to create a Bootable CD
• Bootable CD FAQs
• How To Boot your Computer from a Bootable CD or DVD
• How to Create a Bootable Windows XP Setup Disk on a Preinstalled/Preloaded Windows System
• Creating A Windows XP Recovery Console CD Image
You can try doing a "Repair Install with Recovery Console
". The Recovery Console is a Windows utility that provides a DOS-like command line from which you can run some repair programs. If you have a Microsoft Windows CD-ROM, you can get to the Recovery Console by booting from that CD and pressing any key when you told to 'Press any key to boot from CD'. At the 'Welcome to Setup' screen, press r
If you don't have your XP CD you can download an ISO of the Recovery Console files:
• Recovery Console ISO file
• NTFS4FreeDos ISO
• XP Recovery Console zip file
Burn it as an image to a disk to get a bootable CD which will startup the Recovery Console for troubleshooting and fixing purposes. This is especially useful for those with OEM systems with factory restore partitions or disks but no original installation CD. If you are not sure how to burn an image, please read How to write a CD/DVD image or ISO