Win2K Add/Remove Programs and Internet Explorer Script Errors

  • Thread starter Thread starter Mike
  • Start date Start date
M

Mike

I am running Microsoft Windows 2000 Professional
Workstation 5.00.2195 with Service Pack 4. I regularly use
Windows Update to apply all critical updates. I am current
through February 20, 2004. I periodically use Microsoft
RegClean.Exe 4.1.7364.1 to fix registery errors, usually
after removing programs that do not remove all of their
files and registry entries, like Zone Alarm 3.0.

Question 1
I recently installed Adobe Reader 6.0. I attempted to use
Add/Remove Programs to remove Adobe Reader 5.0. Add/Remove
Programs starts and I see two problems:

1) I see a message box from Add/Remove Programs that says:
An unexpected error occurred.
Class not registered.
res://appwiz.cpl/listbox.htc
line: 225

2) Add/Remove Programs also shows the following:
Currently installed programs:
There are no programs installed on this computer

I can scroll down the window and see the installed
programs list but when I highlight one of them the Change
Remove buttons are greyed out and not selectable.

I am not sure when this problem with Add/Remove programs
began.


Question 2
When I use Windows Help and run a keyword search on a
topic such as modem and then select the topic Adjust modem
speaker volume, I get a message box:

Internet Explorer Script Error
An error has occurred in the script on this page
Line 224
Char: 5
Error: 'null' is null or not an object
Code: 0
URL:
mk:@MSITStore:C:\WINNT\Help\mode.chm::/MODE_change_volumn.h
tm
Do you want to continue running scripts on this page?
(buttons) Yes No

I am not sure when this problem with Windows Help began.

Mike
 
Mike said:
Question 1
I recently installed Adobe Reader 6.0. I attempted to use
Add/Remove Programs to remove Adobe Reader 5.0. Add/Remove
Programs starts and I see two problems:

1) I see a message box from Add/Remove Programs that says:
An unexpected error occurred.
Class not registered.
res://appwiz.cpl/listbox.htc
line: 225

(snip)
Click to expand...

Hi

From the "Run" box try

regsvr32 %windir%\system32\appwiz.cpl

and
regsvr32 %windir%\system32\webvw.dll

and
regsvr32 %windir%\system32\mshtml.dll


Add/Remove Programs Tool Displays Installed Programs Incorrectly
http://support.microsoft.com/default.aspx?scid=KB;EN-US;266668

You might try to reinstall IE, the article above also tells you how to do that.



See tip 6032 at http://www.jsiinc.com/reghack.htm as well

If this doesn't help, try to reinstall the OS service pack you already have
installed (or install a newer one if possible).


If the problem persists, you'll could do an in-place upgrade of the OS and see
if it helps:

How to Perform an In-Place Upgrade of Windows 2000
http://support.microsoft.com/default.aspx?scid=kb;EN-US;292175
 
Mike,
I am running Microsoft Windows 2000 Professional
Workstation 5.00.2195 with Service Pack 4.
[...]
When I use Windows Help and run a keyword search on a
topic such as modem and then select the topic Adjust modem
speaker volume, I get a message box:

Internet Explorer Script Error
An error has occurred in the script on this page
Click to expand...

It's possible that the registry entries for the HTML Help ActiveX
control are broken. A number of the security patches and service packs
that Microsoft released last year are known to cause this problem,
including the cumulative security patches for Internet Explorer and
Service Pack 4 for Windows 2000.

You could try unregistering the ActiveX control and then
re-registering it by opening a Command Prompt window and entering the
following two commands:

regsvr32 /u <drive>:\winnt\system32\hhctrl.ocx
regsvr32 <drive>:\winnt\system32\hhctrl.ocx
 
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