Can I delete software update files?

Hi,
I have found out some files call ADBEDRWVCS4LS1.dmg,ADBEFLPRCS4LS1.dmg,.... in my hard disk.
Are they important? Can i delete them?
Thank you.

You can delete them as long as you no longer need their content. If you double click them an installer should appear. Is this one you might need in the future to keep In backup?
If not, delete it. Note pkg files sitting in receipts folders are needed for repairing permissions.

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Bug: halt when deleting unneeded update files

If WSUS installed on a heavy IO loaded harddrive (LUN) of a VM, when deleting unneeded update files by Server Cleanup Wizard, MMC node may halt.
Server OS: Windows Server 2012 Standard
Errors can be located in Event Log:
An unhandled exception occurred and the process was terminated.
Application ID: /LM/W3SVC/1881423753/ROOT/ServerSyncWebService
Process ID: 3288
Exception: System.NullReferenceException
Message: Object reference not set to an instance of an object.
StackTrace: at Microsoft.UpdateServices.Internal.DataAccess.GetRevisionIdListForCache(Int64 deploymentChangeNumber, Int64& highestChangeNumber, CategoryIdCacheEntry[]&
newCategoryDeployments, CategoryIdCacheEntry[]& deletedCategoryDeployments, RevisionIdCacheEntry[]& newRevisionDeployments, RevisionIdCacheEntry[]& deletedRevisionDeployments)
at Microsoft.UpdateServices.Internal.RevisionIdCache.UpdateCategoryAndRevisionIdCache(Int64 deploymentChangeNumberAtRefresh)
at Microsoft.UpdateServices.Internal.ServerImplementation.UpdateCache()
at Microsoft.UpdateServices.Internal.ServerImplementation.DatabaseChangeHandler(Object byTimer)
at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
at System.Threading.TimerQueueTimer.CallCallback()
at System.Threading.TimerQueueTimer.Fire()
at System.Threading.TimerQueue.FireNextTimers()
Application: w3wp.exe
Framework Version: v4.0.30319
Description: The process was terminated due to an unhandled exception.
Exception Info: System.NullReferenceException
Stack:
at Microsoft.UpdateServices.Internal.DataAccess.GetRevisionIdListForCache(Int64, Int64 ByRef, Microsoft.UpdateServices.Internal.CategoryIdCacheEntry[] ByRef, Microsoft.UpdateServices.Internal.CategoryIdCacheEntry[]
ByRef, Microsoft.UpdateServices.Internal.RevisionIdCacheEntry[] ByRef, Microsoft.UpdateServices.Internal.RevisionIdCacheEntry[] ByRef)
at Microsoft.UpdateServices.Internal.RevisionIdCache.UpdateCategoryAndRevisionIdCache(Int64)
at Microsoft.UpdateServices.Internal.ServerImplementation.UpdateCache()
at Microsoft.UpdateServices.Internal.ServerImplementation.DatabaseChangeHandler(System.Object)
at System.Threading.ExecutionContext.RunInternal(System.Threading.ExecutionContext, System.Threading.ContextCallback, System.Object, Boolean)
at System.Threading.ExecutionContext.Run(System.Threading.ExecutionContext, System.Threading.ContextCallback, System.Object, Boolean)
at System.Threading.TimerQueueTimer.CallCallback()
at System.Threading.TimerQueueTimer.Fire()
at System.Threading.TimerQueue.FireNextTimers()
Faulting application name: w3wp.exe, version: 8.0.9200.16384, time stamp: 0x50108835
Faulting module name: KERNELBASE.dll, version: 6.2.9200.16384, time stamp: 0x5010ab2d
Exception code: 0xe0434352
Fault offset: 0x00000000000189cc
Faulting process id: 0xcd8
Faulting application start time: 0x01cdcff0fa98da3e
Faulting application path: c:\windows\system32\inetsrv\w3wp.exe
Faulting module path: C:\Windows\system32\KERNELBASE.dll
Report Id: 332ed25c-3c39-11e2-93f1-005056b26389
Faulting package full name:
Faulting package-relative application ID:
Step to repo:
1 Open Update Services MMC.
2 Click Options from the left panel.
3 Select Server Cleanup Wizard from the right.
4 Press Next.
MMC node MAY(only when lots of files need to be deleted) be prompted to be reset when deleting unneeded files if it's running longer than usual. Re-open Update Services MMC will fix it. But
it will be appeared again another day when many unneeded files exist.
Eternal Snow

Nothing to me indicated that his previous disks weren't functional.
In the very first two lines of the first post of this thread, the drive was described as "heavily loaded". Specifically the scenario was:
If WSUS installed on a heavy IO loaded harddrive (LUN) of a VM
Running the Server Cleanup Wizard, particularly performing the "Delete unneeded updates..." action is a highly database intensive action. If that task is competing for IOPS on the disk system, then there's absolutely a high probability that the task
will "timeout" before the stored proc being called can complete it's task.
The "fix" is to put the application on a properly equipped machine.
If the guys who wrote the system can't create it to not fall over if the HDs it's on happen to be a wee bit slow, then yes it's a bug and they've written it badly.
We're not talking about "a wee bit slow", though, are we?
As for timeout issues, it's a natural artifact of a WSUS server these days. Read every tenth thread in this forum and somebody is having issues with timeout errors.
There are two contributing factors. The first is that the number of updates currently contained in the MU catalog is about 100x the number of updates that existed when WSUS v3 was originally written in 2007.
The second is that in 95% of the cases, the administrator reporting the issue failed to properly performed needed administrative and maintenance activities on the WSUS server over the lifespan of the server.
Lawrence Garvin, M.S., MCITP:EA, MCDBA, MCSA
SolarWinds Head Geek
Microsoft MVP - Software Packaging, Deployment & Servicing (2005-2013)
My MVP Profile: http://mvp.microsoft.com/en-us/mvp/Lawrence R Garvin
http://www.solarwinds.com/gotmicrosoft
The views expressed on this post are mine and do not necessarily reflect the views of SolarWinds.

How can I delete an old file from my library on iTunes

Occasionally I have to replace PDF manuals with ones that have been updated. But after I sync the new file the old one remains on my Mac itunes library. How can I delete the old file? So far all I do is deselect the old file but it's still there. Sooner or later there will be more old files then current ones making it hard to manage.
Thanks in advance.

You can do this with or without the iPad connected to your Mac.
Launch iTunes on the Mac. Click on Books under the Library heading. Click on the PDFs. Then click on the PDF that you want to delete in order to select it, and go to Edit>Delete and follow the on screen prompts.
if you are using iTunes 11 and do not have the sidebar enabled, and wish to do so, go to View>Show sidebar or use the keyboard shortcut OPTION+Command+S.
If you do not want to enable the sidebar, the library items can be accessed in the button in the upper left corner of the iTunes window.

I can not perform software updates or download any programs. They appear in the download box as images that are not recognized. How can I fix this?

I can not perform software updates or download any programs. They appear in the download box as images that are "not recognized". I thought maybe my antivirus software was setting up a firewall, but I have disabled it, so that's not the case. Any suggestions as to how I can fix this?

If the downloads are gone, it's possible that Windows is removing the downloads based on security policies set in IE. I realize that sounds strange, but it's related to Firefox's feature of submitting downloads to your virus scanner and marking them as having come from the internet.
To test this theory, you could try disabling the scan feature. I assume you have good "real time" antivirus protection which checks every file saved to your hard drive. (If not, you really should get that, and you can use Microsoft's free [http://windows.microsoft.com/en-US/windows/products/security-essentials Microsoft Security Essentials] for now until you have time to review all the available choices.)
(1) In a new tab, type or paste '''about:config''' in the address bar and press Enter. Click the button promising to be careful.
(2) In the filter box, type or paste '''scan''' and pause while the list is filtered
(3) Double-click '''browser.download.manager.scanWhenDone''' to toggle its value.
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Thanks,
John

Hello John,
That ability to "Install and keep package" in Software Update, doesn't work.
It use to be an extremely useful thing, but now no longer works in Leopard. Instead you will have to download the Update from the Apple site and then you will be able to keep it, and only use Software Update to tell you want you need.
In 10.3, not sure about 10.4 I could collect all packages, which I would then burn onto a CD. But alas, no more.
roam

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iOS 5: Updating your device to iOS 5 or Later
http://support.apple.com/kb/HT4972
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How to Upgrade to iOS 7
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There are two ways to upgrade to iOS 7: You can use your Wi-Fi connection, or you can connect your iPad to your PC and update through iTunes. We'll go over each method.
To upgrade using Wi-Fi:
Note: If your iPad's battery is under 50%, you will want to plug it into your charger while performing the update.
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    5.    Once the update is installed, you may have to run through the initial steps of setting up your iPad again. This is to account for new features and settings.
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First, connect your iPad to your PC or Mac using the cable provided when you purchased your device. This will allow iTunes to communicate with your iPad.
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Now you are ready to begin the process:
    1.    If you upgraded iTunes earlier, go ahead and launch it. (For many, it will launch automatically when you plug in your iPad.)
    2.    Once iTunes is launched, it should automatically detect that a new version of the operating system exists and prompt you to upgrade to it. Choose Cancel. Before updating, you will want to manually sync your iPad to make sure everything is up to date.
    3.    After canceling the dialog box, iTunes should automatically sync with your iPad.
    4.    If iTunes doesn't automatically sync, you can manually do it by selecting your iPad within iTunes, clicking on the File menu and choosing Sync iPad from the list.
    5.    After your iPad has been synced to iTunes, select your iPad within iTunes. You can find it on the left side menu under Devices.
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    8.    After updating, you may be asked a few questions when your device finally boots back up. This is to account for new settings and features.
 Cheers, Tom

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The people here are visitors who might have knowledge and might choose to share it, if they have the time, and feel like answering a question. Your questions, instead, suggest that you think it is someone's job here to answer your questions. If you want it to be someone's job, you should raise a support case. This too will require patience.
You will not welcome this advice, I am sure, but it is well not to try to use your own deadline to try to make other people feel the problem is more urgent to them.

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The people here are visitors who might have knowledge and might choose to share it, if they have the time, and feel like answering a question. Your questions, instead, suggest that you think it is someone's job here to answer your questions. If you want it to be someone's job, you should raise a support case. This too will require patience.
You will not welcome this advice, I am sure, but it is well not to try to use your own deadline to try to make other people feel the problem is more urgent to them.

Can I delete software update files?

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