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Win 7 does not start after Norton delete


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9 replies to this topic

#1 Bobbylah1970

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Posted 23 June 2012 - 03:01 PM

Hi everyone. It has been a long time since I last used this resource, but was extremely please at the solution last time.

I just used CCleaner to remove Norton 360 (trial) from my hp desktop. After deletion it asked me to restart, which I did. Upon restart the PC will not reboot. It gets to the initial screen showing boot options for less than a second and then goes blank, with a cursor flashing in the top left corner. No inputs are being accepted, so I cannot boot to safe mode or the recovery console. Any suggestions? Thanks in advance.

Bob

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#2 cryptodan

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Posted 23 June 2012 - 03:25 PM

This is for CCleaner.

Do you have access to a Windows 7 CD?

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.

#3 Bobbylah1970

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Posted 23 June 2012 - 03:30 PM

Thanks for the response. I did not use the registry cleaner part of CCleaner, rather, just the tools area - uninstall programes list which appears similar to the Add/remove programs part of Windows. Maybe that was my mistake, but I have never had a similar issue come up before in at least 5 years of using the program.

#4 Bobbylah1970

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Posted 23 June 2012 - 03:32 PM

........and no access right now to a win 7 CD. I believe that there is a recovery partition, which right now I cannot seem to access.

#5 cryptodan

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Posted 23 June 2012 - 03:42 PM

Try and get access to one, and in the meantime I have reported this to the people who can assist.

#6 Bobbylah1970

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Posted 23 June 2012 - 03:48 PM

Will do. Does it matter if it is a different version ie Ultimate vs Home Premium?

#7 cryptodan

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Posted 23 June 2012 - 04:12 PM

It would help if it is the same version.

#8 toofarnorth

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Posted 23 June 2012 - 11:14 PM

did you choose "run uninstaller" or "delete entry"?

also, if this is a laptop i would remove the charger and take out the battery, leave it out for a minute, then put them back in. this might clean any loops/locks that the computer have entered.

hth!

TFN

#9 Bobbylah1970

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Posted 24 June 2012 - 12:06 PM

OK. After getting hold of a restore dvd and attempting repairs (unsuccessfully), I finally disconnected a usb storage drive I had, and surprise, windows rebooted and is working. Not sure what the issue was/

#10 cryptodan

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Posted 24 June 2012 - 12:15 PM

That is rather bizarre and quite the coincidence. Now I would like for you to Download the Norton Removal Tool to make sure that all remnants of Norton are gone.




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