IE7 Won't Install

Hi,

I've been trying for months to get this installed. I think somewhere I've mucked up my registry keys, but don't know how to fix the problem

This is the log I get...can anyone help me please?
Thanks!
Matt

0.359: 2007/02/25 09:31:11.609 (local)
0.359: c:\141f1efd1ba196f23a854920bb\update\update.exe (version 6.2.29.0)
0.375: Hotfix started with following command line: /quiet /norestart /er /log:C:\WINDOWS
1.969: IECUSTOM: Scanning for proper registry permissions...
2.562: IECUSTOM: Scanning for proper registry permissions...
2.750: IECUSTOM: Scanning for proper registry permissions...
2.984: IECUSTOM: Unwriteable key HKCR\mailto
3.000: IECUSTOM: Unwriteable key HKLM\SOFTWARE\Classes\mailto
3.000: IECUSTOM: Backing up registry permissions...
3.000: IECUSTOM: Unable to backup DACLs HKLM\SOFTWARE\Classes\mailto
3.000: IECUSTOM: Finished backing up registry permissions...
3.000: IECUSTOM: An error occured verifying registry permissions. ERROR: 0x80070005
3.000: DoInstallation: CustomizeCall Failed: 0x3f5
3.015: IECUSTOM: Restoring registry permissions...
3.015: IECUSTOM: Unable to restore DACLs HKLM\SOFTWARE\Classes\mailto
3.015: IECUSTOM: Unable to restore DACLs HKCR\mailto
3.015: IECUSTOM: Finished restoring registry permissions...
3.015: The configuration registry key could not be written.
3.015: Internet Explorer 7 installation did not complete.
3.015: Update.exe extended error code = 0x3f5

 

Hello mattblank,

Microsoft knowledge Base article on IE7 install error:

Error message when you try to install Internet Explorer 7: "Internet Explorer could not be installed "
http://support.microsoft.com/kb/917925/en-us

More installation tips and info at the top of this section http://www.windowsbbs.com/showthread.php?t=58671

Regards - Charles