Class not registered message opening project

I have re-installed Macromedia HomeSite 5 using my serial
key. I have also copied from my old to new lap top a folder with my
projects and all the .html files. When I now use on my new lap top
the Homesite 5 and take the Project - Open option I am shown a
message "Class not registered". Any ideas?
I saw this on the forum earlier from 2005 but the 2 links are
no longer available.

Hi,
In the event error, can you read what {GUID} encounters the error message? Please also let us know the full error message.
Based on my search, this issue can be caused by the incorrect registry permission settings.
Please launch Registry Editor and navigate to HKEY_CLASSES_ROOT\CLSID\{GUID} to verify the permission settings.
If it does not work, you may run Process Monitor to check what process encounters this error.
Process Monitor v3.05
http://technet.microsoft.com/en-us/sysinternals/bb896645.aspx
Here is the related blog for your reference:
How to troubleshoot the “Red Arrow” issue in Component Services ( I )
http://blogs.msdn.com/b/asiatech/archive/2010/02/22/how-to-troubleshoot-the-red-arrow-issue-in-component-services.aspx
Kate Li
TechNet Community Support

Similar Messages

Class not registered error, when open HTML files.

Hi guys, recently I've been facing this problem, everytime that I try to open a HTML file it shows the error message "class not registered", I've tried reinstalling and yet no luck, this only happens with firefox because I also have IE 10 and it works with that one but you know, I love firefox so I want to open them with it.
Additional Info:
I'm using firefox 20.0.1 on Windows 8

Try to redo the default browser setting and temporarily set another browser like IE as the default browser.
*https://support.mozilla.org/kb/How+to+make+Firefox+the+default+browser
*https://support.mozilla.org/kb/Setting+Firefox+as+the+default+browser+does+not+work

Class Not Registered error when opening COM+ Applications folder

Hi,
This question was originally posted in the Microsoft Community / Win 7 forum, but I was asked to post it here.
As you can see below, I'm getting Error Code 80040154 - Class Not Registered when clicking on COM+ in Component services.
...picture 1 coming / Account verification
I took a look at the event logs but couldn't glean much information from them.
I also have issues associated with MSInstallVSSProvider when Uninstalling / Installing Norton Ghost 15. Not sure if they are related or not.
Below are the errors I get when Installing Norton Ghost 15. This app had been loaded on the PC earlier with no problems whatsoever. A few months later when launching the app, I got several error messages. Couldn't resolve them so I thought I would uninstall
/ reinstall. That's when I started seeing the MSInstall errors, which lead me to the Component Services area.
...picture 2 coming
...picture 3 coming
...picture 3 coming
I suspect a registry cleaner (GlarySoft) is the culprit here. My mistake was not backing up the registry before running the scan. This won't happen again.
Thanks,
Tracy

Hi,
In the event error, can you read what {GUID} encounters the error message? Please also let us know the full error message.
Based on my search, this issue can be caused by the incorrect registry permission settings.
Please launch Registry Editor and navigate to HKEY_CLASSES_ROOT\CLSID\{GUID} to verify the permission settings.
If it does not work, you may run Process Monitor to check what process encounters this error.
Process Monitor v3.05
http://technet.microsoft.com/en-us/sysinternals/bb896645.aspx
Here is the related blog for your reference:
How to troubleshoot the “Red Arrow” issue in Component Services ( I )
http://blogs.msdn.com/b/asiatech/archive/2010/02/22/how-to-troubleshoot-the-red-arrow-issue-in-component-services.aspx
Kate Li
TechNet Community Support

PDF properties (meta tags) can't be changed (error 0x80040154 - class not registered)

Hello,
Changing PDF properties (meta tags: author, title, comment, theme etc) in Adobe Reader as well as in Windows Explorer are disabled rsp does not funtion.
1. In Adobe Reader "File properties", the overwriting rsp insertion of text is disabled in grey.
2. In Windows Explorer, following message window appears: "Properties change: Due to an unexpected error, properties can't be changed - Error 0x80040154: class not registered"
(Sorry for the bad translation, but I am running the German version)
Is there a technical explanation and solution for this problem? In other PDF programms, the change of meta data does work fine.
=====================
Windows 7 64-bit, Acrobat Reader X 10.1.1. (Standard PDF Viewer)
=====================
Many thanks & best regards
adiflis

@MadEyes: I found out you had to set a site address in wordpress the hard way, i set it for a dns host and I couldn't get into the wp-admin page or load any sort of image or css.
At the moment i have a server root directory with a wordpress folder on it. Eg:
(/srv/http)/wp/
and a test index file in the root. Eg:
(/srv/http)/index.html
The index file doesn't show up publicly, but it will on the local network.
I set the apache port back to 61669 and tested with canyouseeme.org. I got (i will email you the ip addy):
Success: I can see your service on X.X.X.X on port (61669) >EDIT: If I close apache, then it fails. Start it back up, it succeeds.
Your ISP is not blocking port 61669
I also nmap'd myself and got this:
Host is up (0.025s latency).
Not shown: 996 closed ports
PORT STATE SERVICE
23/tcp open telnet
5989/tcp open wbem-https
6881/tcp filtered bittorrent-tracker
8080/tcp open http-proxy
A port forward is definitely set up, so i dont know how much I can trust this (I did make 6881, but them program isn't open).
Any of this any help?
>EDIT: Excerpt from Webmin: "System hostname localhost.localdomain" this doesn't seem right.
Localhost:
#<ip-address> <hostname.domain.org> <hostname>
127.0.0.1 localhost.localdomain localhost ablanck
#::1 ablanck.localdomain localhost
Last edited by lucytheboydog (2011-02-07 04:34:24)

Class not registered error in Visual Studio 2003

Post Author: LenReinhart
CA Forum: .NET
I have an report that has been running in an application for the last couple years. There is an error in the application that I fixed, but now the report is not running against the production database and I wanted to look at a report in the editor and double clicked on the report in Visual Studio 2003. I got an error pop up "Class not registered" but that was it, no option to enter a registration code or anything. I had previously registered but tried going through that process and was told that it had been previously registered. I developed this report on this machine, so I am wondering if some patch that I applied caused this problem. It has been awhile since I have opened this report in an editor.Any light you can shine on this would be appreciated. Thanks,Len

Post Author: MJ@BOBJ
CA Forum: .NET
Typically that error is referring to a COM dll that is not being loaded because it is not registered on the system. Usually, that error message will give you a dll name, or a PROGID, or something.....was anything else provided in the error?
In order for a file to be unregistered, something might have been uninstalled (or a failed install) that could have caused this issue. I did a search in kbase and found a article that may help, at least it refers to a dll that you can try to register.
Perhaps doing a reinstall may resolve the error.
-MJ

JVM cannot be loaded - Class not registered

I am using Windows XP Home.
While trying to open an application I get the following error message :
Unable to start the application -- the Java Virtual Machine cannot be loaded.
Class not registered.
I was using the J2SE RE 5.0 Update 4 which took around 118 MB of disk space.
After going through certain similar cases on the forum I uninstalled the same and downloaded a smaller 5 MB file but that said it isnt s WIN32 application. So I again downloaded the J2SE RE 5.0 UPDATE 4.
And the problem still persists. I am not very familiar with Java applications and codes. Please help me with this.
Also this application is working fine on my colleague's machine. His Internet Options - > Advanced Tab -> has an item called Java Virtual Machine whereas mine doesn't. How can I resolve this.

Internet Explorer can use the old and now obselete Microsoft Virtual Machine, or the latest Sun Java virtual machine.
Your friend must have the old microsoft virtual machine installed.
I think you only need to plug the Sun VM into Internet Explorer... simple enough.
Go to the Control Panel of Windows.
There should be an icon/entry for "Java(TM) Control Panel".... open it.
Go to the "Advanced" tab.
Select the "<APPLET" tag support.
Enable "Internet Explorer"....
Click on the "Apply" button, then click "Ok"...
And retry.
Assumptions:
I assumed you have installed / reinstalled Java 5.0 correctly, and have administrator security priviledges to your own machine.
regards,
Owen

Excel Viewer: Class not registered (error -2147221164)

Hello,
I am using the Excel examples shipped with Labview 8.21 to read from an Excel file and this works well. Now I need to do the same but on a PC that does not have Microsoft Office or Excel installed but only the free XLVIEWER (Microsoft Office Excel Viewer). When I try to change the ActiveX class of my reference to feed the 'Automation Open' vi I get the Class not registered (error -2147221164) although I can browse down to the XLVIEWER.exe and select it. Then I thought that maybe XLVIEWER had no ActiveX to communicate with other application; I thus installed a package called excelocx.exe, rebooted the PC but that did not change anything. I am still stuck with the same error.
What am I doing wrong?
Thanks a lot,
Christophe

Please find attached the VI I am using together with the XLS file that I try to read with Labview on a Pc that does not have MS Excel installed, only the XLVIEWER.
OpenOffice is not supported in our company so cannot be considered as a valid solution.
Thanks,
Christophe
Attachments:
Read Excel File with Labview 820.zip ‏31 KB

Error occured at Class not registered... Because Excel is not installed?

I received the following error while trying to run an application built with LV 7.1:
Error -2147221164 occured at Class not registered in Open_Excel.vi > Report_generation_excel_Tbeta WITH new layout.vi > Mirror_Cycling_Main tbeta-2.vi
Could this be because Excel is not yet installed on the computer? Will there be a problem if Excel is installed after the 7.1 Runtime Engine and LabVIEW drivers?
Also, should I stay away from installing higher versions of Excel than what was originally used?
Would it be possible to create a VI like this with the base version of 8.2? I'm not certain what some of the controls on the front panel are and 7.1 does not give me additional information in the help dialog- if someone could give me the names of the various components circled in red in the attached JPG I would appreciate it.
Thanks,
Dave
Solved!
Go to Solution.
Attachments:
excel_vi.JPG ‏79 KB

I'm using excel 2003 with labview 2009 v9.0f2. I have attached the VI here. Basically, Im just using the"excel get all data.vi" to read an excel file to create an array and that's where the error occurs.
Max
Message Edited by MaxXx on 12-07-2009 10:33 AM
Attachments:
Excel Get All Data.vi ‏26 KB
Excel Get Data Specified Field.llb ‏209 KB

Class Not Registered error upon using MS Office Report

Hello,
Using LabVIEW 2010, I've just installed the Microsoft RGT trial from NI, along with the Office 2010 trial from Microsoft. Upon trying to drag the MS Office Report VI to my block diagram, the configuration dialog appears but immediately an error dialog shows up over top, with a Class Not Registered error. Attached is the screenshot. If I close the error and try to configure the VI for a basic Excel report, I get a file-not-found error in reference to the Excel template, which I have verified is indeed at the target path and opens with my version of Excel just fine. Any ideas how to get past this error?
Attachments:
error.JPG ‏42 KB

Hello,
It sounds like you have to reinstall the RGT. Have a look at this documentation.
http://digital.ni.com/public.nsf/allkb/B7F980D169474D568625760E0055D55E
Eric
Eric Liauw
AE Specialist - Automated Test | CLD | CTD
National Instruments

Class not registered

HD-4310 Webcam software.
When installing I get this error message:
" Class not registered " (without speech marks)
I followed a tip to use " sfc /VERIFYONLY " to scan for a permissions problem but my system comes up clean.
Can anyone help?
Much appreciated

Thanks for the expansive reply. I must say, I disagree with your statement: “As I said, it was a problem with the HP Webcam installation, not Windows Explorer. It's a good job I didn't take your suggestion for a solution in the first link and act on it.” I am going to provide an elaborate explanation as to why I disagree with this statement.
Firstly, I'm going to provide you with the most significant troubleshooting steps from the first link I provided (link is http://answers.microsoft.com/en-us/windows/forum/windows_vista-desktop/explorerexe-class-not-registe...
“Hello,
I would suggest the following support steps....
-Load into Safemode and verify if you are able to access your desktop
-Create an alternate user account and verify if you are experiencing this issue.
-System Restore your computer to a previosu date and time when it was functioning normally.
-SFC /scannow
-Perform a repair Installation of Windows. (Universal steps are listed below)
Please proceed with performing a repair installation of the OS. In case of a failure, please ensure that you back up your data to an external location prior to performing the repair. Below are the steps to proceed with the repair process.”
I will cut the quote at this point. Now, I have worked, researched, and experimented with software on Windows since 2000. Running the computer in Safe Mode is always a troubleshooting step. The part about accessing the desktop may not apply, however, running in Safe Mode is crucial and helpful. I cannot describe how vital it is in certain types of troubleshooting. Creating a new user account and attempting to perform the same mission can potentially repair all “Class not register” errors, not just specific errors. Of course, this will point to an issue on your primary account. The system file checker scan is always valid, because you never know what it will detect, which can be significant. A System Restore may or may not work, depending if the software did work at a certain point. Finally, a repair installation of Windows, while it is a monumental task, is a troubleshooting step.
Secondly, I noticed the Operating System that is subjected on the thread is Windows Vista. I informed you that I would require you to inform me of your operating system, and model number, so I can assist you further. However, the funny factor about the more recent Windows operating systems is that troubleshooting is extremely similar on all operating systems. I provided the best thread I could, without knowledge of your operating system, since the troubleshooting provided applied to Windows 7 as well.
Thirdly, I'm going to quote your statement, then provide my response:
“The better advice would have been to let me know how to find the Problems and Solutions in the Action Centre and get some more information before a complete repair of my entire OS. I can't remember how I found out now, but I couldn't find them there and took a tip to type the name "problem reports" into the search bar of the start menu and click on "view all problem reports”.”
While this troubleshooting is valid, my style of troubleshooting enables this troubleshooting step to only be performed on special occasions. This issue was not one where I would've elected to perform this task. My troubleshooting I provided would've narrowed down the issue, ultimately, if it wasn't resolved. Even if I had to troubleshoot this issue from scratch, I would not perform this task.
I worked on behalf of HP.

AxInterop.AcroPDFLib.dll throws "Class not registered" error on 64 bit OS

I have an vb.net application which uses AxInterop.AcroPDFLib.dll to open PDF files. The application works fine on a 32 bit operating system. But when the same application is accessed from a 64 bit Operatiog system, it throws error "Class not Registered".
Am i supposed to use different version of AcroPDFLib.dll for 64 bit OS.
I have Acrobat reader 9.1 installed on 64 bit OS machine. Is there any newer version of SDK/dll which will fix ths problem.
Please let me know solution for this problem.
Thanks in advance.

I am pretty sure if you compile your client application as x86 itwill work fine....you are probably compiling it with the configuration set to AnyCPU. The application loads up as 64bit or 32bit depending on the OS when set to AnyCPU. You want to force it to load as 32bit by compiling as x86. That way the app runs under WOW and loads the AcroPDFLib correctly.
Hope this helps

"Class not register" when creating in FM client

Hi,
I'm a newbie in FM application. I'm trying to install HFM and i guess it installed successfully without error. But when i'm trying to create a new application via FM client, i always got a msg box error "Class not register". Is there anyone knows this ? Profile was successfully created. Also, in workspace, i can see link Consolidation Administration, but there is no extended link, such as Create Application. Is there something wrong with the FM configuration ? I back and forth configure the HFM and workspace for a couple of times, and not to mention uninstall and re-install it again. but still couldn't find why. Please help. Thanks.

Hi again,
I tried to re-install the FM Application Server. Then I re-configure FM and workspace, and try to create an application through FM Client. This time, the error given was "You do not have the proper access rights to perform this task". I've checked in Shared Service and the login that I'm using now is perfectly provisioned with Administrator, Application Creator and Dimension Creator. I even tried to deprovisioned with Application Creator and provisioned again with Application Creator. I still got the same message error.
In fact, I re-installed FM (except the EPM), configuring and still got the same error. Is there anything I set wrongly? Please help. Thanks.

AutomationException: Class not registered

CoreAPI is defined in "My Computer\HKEY_CLASSES_ROOT"
"My Computer\HKEY_CLASSES_ROOT\CLSID" also has a valid value.
Any ideas why the following exception is raised? Thanks
AutomationException: 0x80040154 - Class not registered
at com.bea.jcom.bm.b(bm.java)
at com.bea.jcom.Rpc.a(Rpc.java)
at com.bea.jcom.bf.a(bf.java)
at com.bea.jcom.Dispatch.createDispatch(Dispatch.java)
at com.bea.jcom.Dispatch.<init>(Dispatch.java)
at test.coreapi.ICoreAPIProxy.<init>(ICoreAPIProxy.java:34)
at test.coreapi.CoreAPI.<init>(CoreAPI.java:110)
at test.coreapi.CoreAPI.<init>(CoreAPI.java:82)
at test.coreapi.CoreApiTest.main(CoreApiTest.java:25)

Damon is right,
Do setdllhost and configure this DLL' default authentication to CONNECT and for
this class, select run as Interactive User in identity pane. Also Make sure..
Enable DCOM on this computer is setup.
Thanks
Sathish
"Damon Hon" <[email protected]> wrote:
hello,
Is your class hosted inside a dll? This exception is thrown because
only
executables
can be accessed via DCOM. You must first configure a surrogate executable
that
will be used to access the DLL. You can do this with the setdllhost
tool
that comes with JCOM.
setdllhost c:\mydirectoryto\mydll.DLL "My Class"
damon
"test" <[email protected]> wrote in message
news:3c3dd1ff$[email protected]..
CoreAPI is defined in "My Computer\HKEY_CLASSES_ROOT"
"My Computer\HKEY_CLASSES_ROOT\CLSID" also has a valid value.
Any ideas why the following exception is raised? Thanks
AutomationException: 0x80040154 - Class not registered
at com.bea.jcom.bm.b(bm.java)
at com.bea.jcom.Rpc.a(Rpc.java)
at com.bea.jcom.bf.a(bf.java)
at com.bea.jcom.Dispatch.createDispatch(Dispatch.java)
at com.bea.jcom.Dispatch.<init>(Dispatch.java)
at test.coreapi.ICoreAPIProxy.<init>(ICoreAPIProxy.java:34)
at test.coreapi.CoreAPI.<init>(CoreAPI.java:110)
at test.coreapi.CoreAPI.<init>(CoreAPI.java:82)
at test.coreapi.CoreApiTest.main(CoreApiTest.java:25)

JCOM - class not registered exception

Has anybody used JCOM successfully?
I'm trying to access a COM component from a java client using JCOM.
Component is registered locally (I can succesfully access it via other
clients). I created the Java wrapper classes with the com2java tool, but
when I try to use them, I get AutomationException - class not registered
error. CLSID in the generated wrapper class seems correct. Any ideas?
Thanks,
Levent

Hi Levent,
I don't think that the EJB discussion area is the best place for you to get
answers to this question. Maybe "tools" or "environment".
Peace,
Cameron Purdy
Tangosol Inc.
Tangosol Coherence: Clustered Coherent Cache for J2EE
Information at http://www.tangosol.com/
"Levent Sezer" <[email protected]> wrote in message
news:[email protected]..
Has anybody used JCOM successfully?
I'm trying to access a COM component from a java client using JCOM.
Component is registered locally (I can succesfully access it via other
clients). I created the Java wrapper classes with the com2java tool, but
when I try to use them, I get AutomationException - class not registered
error. CLSID in the generated wrapper class seems correct. Any ideas?
Thanks,
Levent

Active X class not registered (Symphony II CCD)

Hi,
i try to run a labview programm from Horiba to run a Symphony II CCD.
When I try to run the programm I get a error which says Active X Class not registered (see picture).
I tried to register the used DLL but it is not working.
Do anyone has an idea what the reason could be?
The example programs (like Excel opening or Powerpoint) are working fine..
thanks a lot
Best regards,
Jim
Attachments:
Error_Labview_SymophonieII.png ‏377 KB

JimJackson wrote:
Hi,
i try to run a labview programm from Horiba to run a Symphony II CCD.
When I try to run the programm I get a error which says Active X Class not registered (see picture).
I tried to register the used DLL but it is not working.
Do anyone has an idea what the reason could be?
The example programs (like Excel opening or Powerpoint) are working fine..
thanks a lot
Best regards,
Jim
Your first step of action should have been to contact Horiba.
Don't they have instructions on how to use their software?

Class not registered message opening project

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