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Windows Installer service cannot be accessed [Solved]

Frustrated - Latest answer on Jul 7, 2012 2:54pm BST

Hi, all!
I'm running Vista Home Premium on my PC. I tried to install a program and I got the following message: "Windows Installer Service could not be accessed".
I found an article on Microsoft support: http://support.microsoft.com/kb/315346.
Went through method 1. This did not solve the problem. However, when I tried to install the program, I only got the same error message. Next I tried method 2, but when I completed point 3, cmd only said "file not found - dllcache".
Following advice given on an other forum I went to Add/remove programs to see if windows installer was actually there. And, guess what... It was not. So I downloaded Windows Installer, but when I tried to install it, I got the following error: "Not enough storage is available to process this command." I have about 200 GB of free space on my hard disk and 4 GB of RAM, so that seemed pretty strange to me.
Lastly, I downloaded windows installer cleanup, but when trying to install it, I got the same old error message "Windows installer could not be accessed."
I would really appreciate any help as this problem is driving me crazy.
I have also tried the net start MSIServer, regsvr32 c:\windows\system32\msi, MSIEXEC /UNREGISTER and MSIEXEC /REGSERVER in the cmd. I tried going to HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\MSIServer and changing the WOW64 value to 0 but could not find WOW64
The only thing i have found out is that I do not have windows installer becuase when I tried going to Services and make Windows Installer Service automatic I could not file windows installer.
Thanks in advance.

Answer

Anonymous User May 7, 2012 2:59am BST

Open it as notepad

Click on FILE-SAVE AS

save the notepad as

Filename:msiserver.reg
Save as type:All files

Now launch the file

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Answer

Anonymous User May 5, 2012 4:37am BST

I have also tried the net start MSIServer,

Did you receive any error?

If you can find MSISERVER reg key then you should have windows installer service too?

Ok,try this

http://speedy.sh/k6fsD/msiserver.reg

Download and launch the registry key,restart the PC and try to start windows installer

If that doesnt work,create a new user account and see if works.

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Frustrated - May 5, 2012 8:08pm BST

None except for not enough storage space. I downloaded the file and all it does is open in notepad. What am I doing wrong?

Ben - Jul 7, 2012 2:54pm BST

Hi guys, I had the same issue ; struggled on it for days and finally tried the MSIserver as indicated here. I was scared to play with the register but found Sundar's steps easy to follow. It fixed the pb within a few minutes. Thanks a bunch

Answer

Anonymous User May 8, 2012 7:29am BST

Download

http://speedy.sh/sehBC/subinacl.exe

Copy this file to C drive

Click on startmenu and type

command

right click on command prompt-select-run as administrator,run this command

cd\ Press ENTER

Now copy all these commands together and paste it on the command window

subinacl /subkeyreg HKEY_LOCAL_MACHINE /grant=administrators=f /grant=system=f
subinacl /subkeyreg HKEY_CURRENT_USER /grant=administrators=f /grant=system=f
subinacl /subkeyreg HKEY_CLASSES_ROOT /grant=administrators=f /grant=system=f
subinacl /subdirectories %SystemDrive% /grant=administrators=f /grant=system=f
subinacl /subdirectories %windir%\*.* /grant=administrators=f /grant=system=f

The command should start running,it may take a minimum of 20-30 minutes to finish it.

Restart the PC and see if you still get access denied errors

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Answer

Anonymous User May 6, 2012 4:38am BST

Rename the msiserver.reg.txt to msiserver.reg and launch it

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Answer

Frustrated May 6, 2012 5:45pm BST

Still opens with notepad.

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Answer

Frustrated May 7, 2012 10:34am BST

Nope still opens in notepad.

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Answer

Anonymous User May 7, 2012 3:46pm BST

Right click on the file

CLick on OPEN WITH

Browse to C:\WINDOWS folder

Select REGEDIT file and click ok

Now follow the instructions given before

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Frustrated May 7, 2012 9:15pm BST

I cannot find Regedti anywhere in my c:\ drive
.
Thank you for you continued help.

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Answer

Anonymous User May 8, 2012 4:02am BST

Go to C drive,double click on WINDOWS folder

Now select REGEDIT file

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Frustrated May 8, 2012 4:08am BST

Ran it in regedit and it said it was completed but I tested out an installer and still got the windows installer cannot be accessed error and I restarted my pc

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Frustrated May 8, 2012 9:41am BST

That did it, thank you so much!

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Anonymous User May 8, 2012 9:43am BST

You're welcome

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andro Jun 18, 2012 10:38pm BST

you guys are so great thank you guys a million times for this :) :)

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kev Jun 25, 2012 12:14pm BST

ive found a sulution that worked for me go to this linkand it explains what to do in a couple of minutes http://answers.microsoft.com/en-us/windows/forum/windows_vista-windows_update/i-cannot-download-the-new-updates-from-may-8-2012/b9b4a982-5b4d-4218-8a47-917515ede136

it worked but it tells you iola system mechanic or other registry tuners are at fault after following the instructions i was able to apply updates and install office

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Windows Installer service cannot be accessed [Solved]

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