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What is error 1721..........How do I reinstall HP Updates?

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  • jjrb2277 Sep 04, 2008

    I am having the same problem... I have windows vista, and trying to install my HP critical updates... when I do I get the Error 1721 and it will not install updates. I did try to do updates straight from HP website and it did not work...even tried re-installation of windows installer 4.5, but that did not work... I am lost on what to do.... any help is appreciated.

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This is an error commonly witnessed when you try to uninstall a program using the "Add or Remove Programs" in Microsoft Windows XP. The message itself will read: "Error 1721. There is a problem with this Windows Installer package. A program required for this install to complete could not be run. Contact your support personal or package vendor."

I Googled your error and this is what I got. As far as your update question, I think you can just go to HP website, and redownload and reinstall all the updates that you are in need of. If you are speaking of Windows Updates, you can redownload those to. Just go to Microsoft website and in their search box, type in reinstall updates; of course, you will also have to type in there which updates you need to reinstall. Hope this helps.

Posted on Sep 04, 2008

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Blue Ray not working


One of the advantages of owning an HP Pavilion includes playing your favorite DVDs conveniently at home or anywhere with your HP Pavilion laptop or notebook.
Whether you have Windows 7 or Windows Vista, your HP Pavilion may experience problems playing your DVDs.
For example, sometimes you may have a DVD movie skip while playing, which can happen frequently with a lot of DVD handling, such as with rental DVDs.
Perhaps your DVD player does not recognize the DVD and rejects it.
When you troubleshoot your HP Pavilion DVD player, you become more acquainted with your HP Pavilion, plus you can get back to movie-watching sooner.
Clean the DVD if you notice any skipping while playing or if the DVD stops.
You can clean the DVD by wiping it from the center to the edge using a lint-free cloth and filtered water.
Avoid watching DVD movies while you have a virus system scan operating on your computer system.
Reschedule the virus scan to another time or disconnect the scan temporarily and then reconnect the scan when you have finished watching your movie.

Disconnect from the Internet while watching movies.
Other programs on your HP computer can access the Internet and disrupt the movie as you watch.
Turn off your printer, scanners and other external devices connected to your HP Pavilion while you watch movies.
This allows your computer to concentrate its resources on your DVD player.
Install the latest DVD player updates from the HP Support and Drivers website for the best DVD performance.
Test the DVD Drive
Insert the DVD into the HP Pavilion DVD drive. Close any window that opens automatically.
Click "Start" and then "Computer."
Right-click on the DVD player icon and then choose "Explore."
Check to make certain you placed the DVD into a DVD drive.
If the HP Pavilion DVD drive ejects the disc or prompts you to insert a disc, it does not recognize the DVD.
You can also try inserting another DVD disc. If you do not see folders appear, such as VIDEO_TS and AUDIO_TX, you may have a defective disc, or the DVD may not be compatible with your DVD drive, such as a Blu-ray disc.
Try a different DVD movie.
Insert a regular CD into the DVD drive to see whether HP can read it, after you have tried playing several DVDs.
If the drive can read the CD, it may not be the DVD drive.
Have the internal ribbon cable replaced if the drive cannot read the CD, or have the DVD drive replaced if a new cable does not help.
Reinstall DVD Software Windows 7
Click "Start," "All Programs," "Recovery Manager," and then "Recovery Manager." Click "Continue" if prompted by Windows 7. This will bring up the HP Recovery Manager window.
Click "Software Program Reinstallation" and then "Next."
This will bring up the HP Software Program Reinstallation window, which allows you to reinstall the programs that originally came with your HP Pavilion.
Click "Next" and then follow the instructions provided.
Restart your computer after the driver installation.
Select "Next" and follow the directions provided to recover and reinstall the DVD player software that came with your HP Pavilion.
Reinstall DVD Software Windows Vista
Click "Start," "All Programs," "PC Help and Tools" and then "Recovery Manager." This will bring up an HP window called Recovery Manager to help you recover HP Pavilion drivers and programs.
Click "Next" and then select "Yes" or "No" when prompted to perform a program recovery.
Select "Next" and follow the directions provided to recover and reinstall the DVD player software that came with your HP Pavilion.
HP Pavilion PC Laptop Blue Ray not working
Blu-ray disc technology continues to improve and advance, so simply having a Blu-ray player in your computer doesn't guarantee that all discs will play immediately.
The Hewlett Packard DV7 Entertainment Notebook has a Blu-ray player, but as the technology advances you have to keep the software and firmware on the system up-to-date to ensure compatibility.

Reboot your Pavilion notebook.
A minor miscommunication between the disc drive and Windows Vista or 7 may lead to a disc read error.
Rebooting clears your system's memory and forces Windows to reload all of your device drivers, which may resolve a minor kink.
Play your Blu-ray disc to see if the problem is solved.
Open QuickPlay and update it.
Double-click the "Update" button to open "Updates and Enhancements."
Double-click "Get the latest QuickPlay updates."
Select "Download now!" on the next screen and wait while the file downloads and installs.
Close and reopen QuickPlay and insert the Blu-ray disc again.

Update MediaStart regularly.
This program tracks updates for your Blu-ray player's firmware, the software coded onto the device to tell it what kinds of discs it can read.
Open MediaStart and select "Update your MediaStart." Updates are only listed when available, so if you don't see an update, check back in a few weeks.
Each update for the Blu-ray player enables you to play more recent discs, since some interactive features may not be compatible with older software.
Restart after each update.

Update your software on a disc-by-disc basis.
According to HP, some Blu-ray discs have special content protection and require new codes for you to play the movie.
These codes or disc-specific updates are stored on the disc.
If you are prompted to download a free update after inserting a disc, follow the prompts to do so. The updates will be different for each disc.

Check to make sure your player will play regular content if you continue to have issues with Blu-ray discs. It may be that the error is related to the drive, not the type of media.
Try a CD-ROM or a standard DVD to see if the disc responds.
If not, contact HP for a replacement or for drive-related troubleshooting.


HP blueray problems
http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?lang=en&cc=us&taskId=110&prodSeriesId=3744231&prodTypeId=321957&prodSeriesId=3744231&objectID=c01361837

Jul 23, 2013 | HP Pavilion PC Desktops

2 Answers

Am getting 1721 errors on my computer, can you tell me how i can fix it ?


Here you go. This is long winded but should fix you up.
Error 1721 is a common problem for many different Windows systems, shown when the installation you're trying to perform develops a problem and needs to be fixed. If you have this error, it's recommended that you're able to first fix any problems that could be inside your Windows system, and then cure the specific issues that the Windows Installer program has on your PC. This tutorial is going to show you exactly how to do that...
This error will typically show like this:

  • Error 1721. There is a problem with this Windows Installer package. A program required for this install to complete could not be run. Contact your support personal or package vendor.

The problem with this error is actually caused by a very simple issue - the Windows Installer program that is used to install the various files & software onto your PC is actually damaged or corrupted & preventing your system from installing the program you want. This can be caused by a number of problems, including everything from having corrupt registry settings to the Installer program on your system being damaged. To fix this, you first need to make sure that Windows Installer is okay, and then get rid of any further system errors on your computer.
The first step to resolving this error is to "register" and "unregister" the Windows Installer on your system. This is a program which installs all the programs that you want onto your PC, and is constant on every Windows installation. The problem that often causes error 1721 is the way in which Windows often cannot read the Windows Installer program, because it's not "registered". Registering a program basically tells Windows where to look for it on your system, and it's often the case that this stored reference is either damaged or deleted by accident. To ensure this is not a problem, you need to be able to type the following into your system:

  • Load up "CMD" (click "Start" > Run > type cmd)
  • Type msiexec u/unregister
  • Type msiexec /register
  • Try reinstaling the program you wanted to

If you try this and find it does not work, then it's recommended you then use a program by Microsoft called the "Windows Installer Cleanup Utility". This is a new program which basically cleans up all the settings and options associated with the Windows Installer program; meaning that if you have any problems with the Windows Installer on your PC, they should be fixed. You may also wish to install Windows Installer 4.5, which will basically upgrade the Windows Installer program on your system, which should resolve many cases of the 1721 error.
It's also highly recommended that you use a "registry cleaner" to fix any of the errors that are on your Windows system. A registry cleaner is a type of software tool that basically scans through the registry database of your PC and fixes any of the problems that are inside it. The registry database contains all the settings, files and options for Windows, and is where everything from your most recent emails to your desktop wallpaper are kept. It's basically like a library for your system which is continually being used to help your software run correctly. Unfortunately, the registry is continually being damaged & corrupted, leading it to become highly ineffective and erroneous. To ensure this problem is not causing the 1721 error, you should clean through your system with a registry cleaner tool.

Sep 11, 2010 | Dell PC Desktops

1 Answer

What to update window installer Have error saying cant find window installer Want free updates all fail


did you register your copy of windows when you installed it you need a product key which is usaully on the side or back of pc i dont think you can get updates after 30 days after reinstalling... its a 25 digit code containing letters and numbers reinstall and register it...to find where to register on vista click on start then right click on mycomputer then select properties then a screen should come up with your pc's specs go to bottom of that box and see if your copy is registered if not click on link to do so it might work hope this helps

Aug 08, 2010 | HP PC Desktops

1 Answer

I go to install the updates and says repir errorit wont let me fix the error


You can try this: start run then type in services.msc after that go down to windows update right click it and click stop. Then right click it and click start. After you do this try to reinstall the updates. If this doesn't work just give me the complete error message when installing the updates.

May 29, 2010 | Dell Dimension 4600 PC Desktop

1 Answer

Does not open just stay black the screen


Given the amount of information received, I cannot really come up with a solution. I would try booting into safe mode and checking your drivers or recent updates for an error. If that didn't work I would reinstall.

Dec 14, 2009 | HP iQ775 19" TouchSmart Desktop PC

1 Answer

Every time I attempt to install the software for my new hp officejet j3680 all in one I get a fatal error. This has happened twice.


go to the HP website, ( www.hp.com ) click on the software and drivers link, search for your printer and download the newest version of the software. If that doesnt help make sure your windows is fully updates with service packs etc. internet explorer -> tools -> windows update

install run the scan and install all updates

if this doesnt work you may have to consider formatting and reinstalling windows...

Dec 12, 2008 | HP PC Desktops

1 Answer

My system did an automatic update. Now I get a message that says that my backweb-137903.exe has been moved and so my HP center does not load. I looked for the file but it is not present on my PC. I also...


This error message probably occurred, because a spyware removal application incorrectly detected the Updates from HP Connections or Compaq Connections client software (developed by BackWeb Technologies), as spyware and improperly removed it. Since only part of the client software was removed, the errors displays because the software cannot fully open when Windows starts. Updates from HP or Compaq Connections is a messaging service that comes pre-installed on HP and Compaq desktop computers. The service provides product notices, support updates, tips, and special offers specifically for your model of HP or Compaq PC. If you no longer want to use Updates from HP or Compaq Connections, HP or Compaq Connections can be uninstalled through Add/Remove programs. If you still want to use HP or Compaq Connections to receive information regarding your PC, complete the following steps: CAUTION: Performing a System Recovery replaces system files and original software with the files that originally came with the PC. This process may move or remove certain files, like those stored in My Documents. Before performing a System Recovery backup important files and the files stored in the My Documents folder.Be prepared to reinstall software that was not originally included with the PC. You will also need to reconfigure an Internet Connection and obtain all critical Windows Updates, Virus definition updates, and anti-spyware updates. To resolve this error, reinstall the Updates from HP/Compaq Connections client software by performing a standard recovery:
  1. Remove all connections from the PC except keyboard, mouse, monitor and power cable. If any internal hardware such as a video card, or sound card has been added, they should be removed or disconnected.
  2. Restart the computer and press the F10 repeatedly after the logo screen appears.
  3. Click Next when prompted.
  4. Read and respond to the screens to recover the computer.
After the computer is recovered and you have completed the setup, you can do any of the following items to prevent the error message from displaying:
  • Adjust the settings in the spyware removal application to bypass the Updates from HP or Compaq Connections client software.
  • You can uninstall the Updates from HP or Compaq Connections client software before using your spyware removal application: Uninstall Updates from HP or Compaq Connections client software by clicking Start , Control Panel , Add/Remove Programs , Updates from HP/Compaq Connections , and clicking the Remove button. NOTE: If you remove the Updates from HP or Compaq Connections client software, you should visit the product support page for your PC model, HP Support and Drivers Search , for the latest information and software updates.
HP does not consider HP or Compaq Connections spyware software. If spyware removal software detects BackWeb as spyware and you would still like to remove HP or Compaq Connections, it should not be removed through the Spyware removal software. Instead, uninstall BackWeb using Add/Remove Programs as shown above.

Oct 05, 2008 | HP PC Desktops

1 Answer

I purchased a pc game and it keeps shuttng down and says runtime error contact customer service.


it is possible that the program, utility or game causing the runtime error may have issues. Verify through the developers website that all updates or patches that may be available have been downloaded and applied. If no patches or updates are available, attempt to uninstall and/or reinstall the program that is causing the issue.

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