We were having issues installing SP2 and then being told it was not
installed. After perusing the questions and answers here, we followed the
following instructions to another user.
SP2 installed and then the system was rebooted. After doing so, we were
able to get online via dialup but anytime we went to a webpage or web based
email, we were unable to access anything.
Checking under the Windows Security Center in XP w/ SP2 installed, we found
the firewall but it was not active. After activating firewall and ICS
system, everything is greyed out and cannot be turned on or off.
We tried to go into regedit to undo the changes below and now under the
Permissions for HKEY_CLASSES_ROOT everything is blank.
We cannot click on the add or advanced buttons. Can a system restore reset
that back to how it was before we tried to undo this change?
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0x80070005 means access denied.
let's try the following steps.
1. Click Start then click Run.
2. Type "regedit" (without the quotation marks) in the open box then click OK.
3. Expand the "+" to the following key.
HKEY_CLASSES_ROOT
4. Right click it and then click Permissions.
5. Click Add - Advanced - Find Now.
6. From the list, please select the Account "Everyone" and then click OK.
7. Highlight Everyone and select Full Control under Allow. Please refer to
the attached picture.
8. Click Advanced
9. Select the following checkboxes and then click OK.
Inherit from parent the permission entries¡Â*
Replace permission entries¡Â*
10. Locate HKEY_LOCAL_MACHINE and perform the above steps again. (You may
receive an error message at this time, please click OK to continue.)
Please try to install Windows XP Service Pack 2 again.
If the issue persists, I have sent a tool to you for resetting some
permisiong. Please check your mail box.
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