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Error installing AVG

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Posted 06 February 2010 - 08:37 PM

Error while trying to install AVG Free

Local machine: installation failed
Error: Action failed for registry key HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows: creating registry key....
Access is denied.

Please help

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#2 cryptodan


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Posted 06 February 2010 - 09:45 PM

Run as an administrator.

#3 sarunk


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Posted 06 February 2010 - 09:56 PM

I believe there might be some restrictions in registry due to which you are not able to install AVG.

1) Remove traces of AVG. Go to this link, download and run the tool to remove AVG

2) Then restart the computer.

The following methods will reset registry permission.

1) Go to this link, download and run subinacle

2) Copy the below commands and paste it in a notepad

cd %systemdrive%\

@echo off
echo You are about to reset your security settings to default using SUBINACL
echo Please wait while default security settings are applied

cd "%ProgramFiles%\Windows Resource Kits\Tools"
subinacl /subkeyreg HKEY_LOCAL_MACHINE /grant=administrators=f
subinacl /subkeyreg HKEY_CURRENT_USER /grant=administrators=f
subinacl /subkeyreg HKEY_CLASSES_ROOT /grant=administrators=f
subinacl /subdirectories %SystemDrive% /grant=administrators=f

subinacl /subkeyreg HKEY_LOCAL_MACHINE /grant=system=f
subinacl /subkeyreg HKEY_CURRENT_USER /grant=system=f
subinacl /subkeyreg HKEY_CLASSES_ROOT /grant=system=f
subinacl /subdirectories %SystemDrive% /grant=system=f


3) Name this file as "reset.bat" and save it on desktop.

4) Double click on reset.bat from desktop to reset registry.

5) Then try to install AVG, it should work.

#4 Broni


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Posted 07 February 2010 - 02:29 AM

The above error is one of many issues, which started to plague AVG since version 8 was introduced.
Why to lose good night sleep over some free program, which doesn't want to work properly?
Try other free excellent options:

- Avira free antivirus: http://www.free-av.com/en/download/1/avira..._antivirus.html
- Avast! free antivirus: http://www.avast.com/eng/download-avast-home.html

- free Comodo Internet Security (firewall + AV): http://www.personalfirewall.comodo.com/
NOTE. During installation, Comodo will also allow you to install AV only, or firewall only, if you prefer to combine one Comodo product with some other product.

If you decide to install Avast, or Avira, make sure, Windows firewall is turned on, or use Comodo firewall..
If you decide to install Comodo Internet Security, or just Comodo firewall, make sure, Windows firewall is turned off.

IMPORTANT! Make sure, you use only ONE antivirus, and ONE firewall.

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