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Posted on Sep 10, 2007
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System error computer will not install stuck on compaq home page with open icon saying ISASS.exe-system error object name not found

  • charlie237 Dec 29, 2007

    I have the same prob only on a toshiba , gets to windows loading page then presents a dialogue box "Isass.exe-system error" object not found but i do not have the disks to reboot on xp


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Thomas Christopher

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  • Posted on Oct 23, 2007
Thomas Christopher
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1) Make sure the Volume is not Muted.

A) Method 1:
Go to your system tray to the bottom right of your monitor screen. (Down where the time and date is)
Click on the Sound icon. (Looks like a speaker)
If you do not see the Sound (Audio) icon click on the small side arrow. The icon may be hidden.

Give it a second after you click. The Volume control is a slide control. The slider is slid UP to increase volume.

B) Method 2:
(Windows XP)

Click on Start
Click on Control Panel
Click on Sounds, Speech, and Audio Devices

Click on Adjust the system volume
Under Device volume move the slider all the way to the right
(Also click in the box to the left of - Place volume icon in the taskbar - if it is not in your taskbar. Puts a green checkmark in the box)

Be sure to click on Apply, AND then on OK.

2) Volume is all the way up?
Then download, and install the Audio Driver.

HP Support > Compaq Evo D510 Convertible Mini Tower > Business Support Center,

Under the subheading - Tasks for Compaq Evo D510 Convertible Minitower,
click on - Download drivers and software

Now click on the Operating System your computer is using. I'm going to click on
Windows XP Home Edition to use as an example,

Scroll the page down until you see the bold heading - Driver - Audio, above the red banner.
Under the red banner click on - ADI SoundMax AC97 Integrated Digital Audio Driver

On the next page click on Download to the right of -
File name: sp27103.exe (14MB)

(Remember; The file name is sp27103.exe )

After you click on Download a small window will come up on the right,
Opening sp27103.exe
Click on Save File

Another small window will come up on the left.
The wording at the top of this window, tells you where the file will download to.
It may have Desktop, or My Documents, or Downloads, in the wording.

(Provided the computer you are using to download the file with, has WinXP on it.
WinVista, and Win7 are different )

Desktop: The file sp27103.exe will be on your desktop screen. (Next to a yellow folder icon)

My Documents: Click on Start, then on My Documents

Downloads: Click on Start, then on My Documents. DOUBLE-click on Downloads

When you see the file name, sp27103.exe, DOUBLE-click right on it.

The Installation Wizard will appear. Follow the easy instructions.
[ Essentially just click on Next, Next, and Finish, at the bottom of the windows ]

When finished close all windows, go back to your desktop screen.
Restart your computer.

For additional questions please post in a Comment.



I'd try booting windows into safe mode and disabling windows firewall then trying to boot up normally. I've also heard this may be some kind of a virus.

HP - Compaq 6310P Laptop that Is giving an Isass.exe system error

As you may know, lsass is; Local Security Authentication Server. ANY OF THESE THINGS CAN RESULT IN AN UNUSABLE SYSTEM! So don't try them if you aren't able to re-install your operating system without trashing it (Over top should work), if there's any information not backed up that you can't lose, or aren't prepared for the worst, because that's what usually happens, right? :^D TAKE IT TO SOMEONE IF ANY OF THESE THINGS APPLY TO YOU.

Although you shouldn't have any problems with these simple remedies, I don't want to be responsible if it does!

The trojan you found and removed has corrupted some registry settings.

If you have a known good configuration, you can "go back". OR you can try running a registry cleaner on it.

You can also try going into "Services" and killing it, which should bring up your Welcome screen and reboot. All of your usernames and passwords may be gone though! And you'll have to start over.


Spysweeper program damaged after a.exe download

isass.exe is registered as the Optix.Pro virus which carries in it's payload, the ability to disable firewalls and local security protections, and a backdoor capability

How Do You Remove Isass.exe Files in Windows XP and Vista:
  1. Click your Windows Start menu, and from “Search,” click “For Files and Folders….”
  2. A speech bubble will pop up asking you, “What do you want to search for?” Click “All files and folders.”
  3. Type a Isass.exe file in the search box, and select “Local Hard Drives.”
  4. Click “Search.” Once the file is found, delete it.
How to stop Isass.exe processes:
  1. Click the Start menu, select Run.
  2. Type taskmgr.exe into the the Run command box, and click “OK.” You can also launch the Task Manager by pressing keys ALT + CTRL + DELETE or CTRL + Shift + ESC.
  3. Click Processes tab, and find Isass.exe processes.
  4. Once you’ve found the Isass.exe processes, right-click them and select “End Process” to kill Isass.exe.
How to remove Isass.exe registry keys: (Do not delete anything other than what is listed below.)
  1. Select your Windows menu “Start,” and click “Run.” An “Open” field will appear. Type “regedit” and click “OK” to open up your Registry Editor.
  2. Registry Editor will open as a window with two panes. The left side Registry Editor’s window lets you select various registry keys, and the right side displays the registry values of the registry key you select.
  3. To find a registry key, such as any Isass.exe registry keys, select “Edit,” then select “Find,” and in the search bar type any of Isass.exe’s registry keys.
  4. As soon as Isass.exe registry key appears, you can delete the Isass.exe registry key by right-clicking it and selecting “Modify,” then clicking “Delete.”
How to delete Isass.exe DLL files:
  1. First locate Isass.exe DLL files you want to delete. Open your Windows Start menu, then click “Run.” Type “cmd” in Run, and click “OK.”
  2. To change your current directory, type “cd” in the command box, press your “Space” key, and enter the full directory where the Isass.exe DLL file is located. If you’re not sure if the Isass.exe DLL file is located in a particular directory, enter “dir” in the command box to display a directory’s contents. To go one directory back, enter “cd ..” in the command box and press “Enter.”
  3. When you’ve located the Isass.exe DLL file you want to remove, type “regsvr32 /u SampleDLLName.dll” (e.g., “regsvr32 /u jl27script.dll”) and press your “Enter” key.
That’s it. If you want to restore any Isass.exe DLL file you removed, type “regsvr32 DLLJustDeleted.dll” (e.g., “regsvr32 jl27script.dll”) into your command box, and press your “Enter” key.
Did Isass.exe change your homepage?
  1. Click Windows Start menu > Control Panel > Internet Options.
  2. Under Home Page, select the General > Use Default.
  3. Type in the URL you want as your home page (e.g., “”).
  4. Select Apply > OK.
  5. You’ll want to open a fresh web page and make sure that your new default home page pops up.
Block Isass.exe sites:
Stop Isass.exe processes:
Get rid of Isass.exe DLLs: %PROGRAM_FILES%\ eKerberos\ Hook.dll
Delete Isass.exe folders: %PROGRAM_FILES%\ eKerberos\

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Dialog box

Does the dialog box say Isass.exe not found !!! If so then it was corrupted by a virus and ur antivirus did a bad job of cleaning it... it modified/deleted it. Isass.exe is a system/servicecontrol file. If u have another pc copy Isass.exe from it..... Isass.exe is found in C:\Windows\System32

Yahoo mail

"Yahoo! Mail experienced a login error:
message:Object expected
description:Object expected"
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