You will need to re-install the associated program and fix the Registry problems if found. All applications that want to open a particular file type must have to register their association in Windows registry. To fix diagcab error messages, please continue to read the following contents of the article. Microsoft found problems in the Windows servicing store which may prevent the successful installation of future updates, service packs, and software. The associated Windows diagcab file extension is recorded in Windows Registry, which is the central database for Windows to manage system settings and configurations, and third-party software. But this one you provided worked and even solved the Powershell installation problem. Video: How to Edit and Backup Windows Registry Why I Can't Open diagcab File In most cases, the problem happen because the file association is missing or invalid in your Windows Registry.
You would easily recognize the specific format of a file by the file extension. If you just leave the error messages on your computer, you perhaps would receive other system problems. If I try to access Windows Update server I received this error message that Windows Update service is unavailable. There may have been a Vista option. At this point I'm not certain if Windows Update is working as it should or if something is messed up with it's installation. This parameter is typically used when the troubleshooting pack is launched by a troubleshooter that is not part of the operating system.
The one on the Microsoft site had a long list of. Before you do anything with the Windows registry, please backup the registry folders at first because any mistaken will bring serious problems to your computer operating system. I'm uncertain of what's going on with Windows Update. Normally, it is quite easy to open the diagcab without any error messages. When I selected one important update for Word Viewer it immediately downloaded and installed from Windows update.
Currently installed Windows Vista WindowsUpdateagent Version is 7. What is File Extension Windows file extension is used to identify which application you need to install to open the files on your system. If you specify a directory, the directory must contain a diagnostic package. They might have done so as well for 8 but since I don't have an 8 vm I can't confirm that. There is another windowsupdate agent available online with a different filename for Windows Vista x64. Possibly the lag time has to do how Windows Update is installed. While Vista was installed on the smaller drive I regularly deleted restore points up to the most recent to free up hd space.
This parameter is only used when a support provider has supplied a passkey. How to Remove Related Windows Errors? This update is a tool which checks the system for these problems and tries to resolve them. You are allowed to edit the registry entries in the registry editor in order to correct the invalid registry entries or create a new one manually under any Windows operating system. I'm not certain what's going on here, perhaps Vista Windows Update is being placed in some sort of download queue as there's many possibly millions of new users downloading updates for Windows 10 and other versions of Windows. None Yes No Yes Yes Yes AudioRecordingDiagnostic Troubleshoots problems recording audio from a microphone or other input source.
In the latter pages of that excessively lengthy thread, a promising solution has been discussed: Manually installing every lacking kernel mode driver update in sequence before checking for other updates. The error messages indicate that the window update server for Vista is off-line. Now I've noticed problems with checking for updates on Vista and downloading updates on 7. The standalone installer ran for a very long time without any results. Ran Windows Update for more than six hours and nothing, still searching for updates.
I also tried to reset Windows Update through a long process and still no luck. File extensions associations with applications and other information is stored in Windows Registry. I tried something similar that was on the Microsoft site. Audio output device installed Yes Yes Yes No No PowerDiagnostic Helps the user adjust power settings to improve battery life and reduce power consumption. This code is returned even if another root cause was fixed. From a admin command prompt and issuing a net stop wuauserv command. I tried the first solution and it worked! I suppose I can keep periodically trying to download or just allow Windows Update to run trying to download in the background.
Close the Windows registry editor and then restart your computer for the changes to take effect. One of Microsofts help webpages claims that there is no stand alone Windows Update Agent installer for version 7. The various versions of the update may be downloaded directly from. It starts up fine but when I try to update Windows, it doesn't let me. Now more than 24 hours has passed and Vista's Windows Update is still at zero percent.
That is the Windows registry editor. Install Window's 8 upgrade, which I purchased a while back, when it first came out. Thanks, JackHammer Thank you very much. While Windows Update was running at zero percent, I needed to leave for a while, so I disconnected from the Internet and left. Windows Update is running at zero progress. DirectAccess installed Yes Yes Yes Yes Yes DeviceDiagnostic Troubleshoots problems using hardware and access devices connected to the computer.
To identify the causes of the file extension error messages and resolve the problems, you had better have the basic idea that what is the file extension and figure out how the error message could be caused at first. However, after running some system cleaners I tried to activate Windows Update which produced an error message. Quite a while back I did do a manual repair, I would need to review the manual fix instructions to remember more details. The return codes are shown in the following table. None Yes Yes Yes No No PrinterDiagnostic Troubleshoots problems printing.