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Windows 7: Windows Installer Cannot Be Accessed


27 Jun 2010   #1

Win 7 Pro 64-bit
 
 
Windows Installer Cannot Be Accessed

I am getting an error when I am attempting to install the C++ Redistributable Package that says:

"Windows Installer Service cannot be accessed. This can occur if the Windows Installer is not correctly installed. Contact your support personnel for assistance."

I have attempted to look up what this means, however all of the guides I find are for Windows 2000 or Server 2003! I have also had the same error message pop up when I try to manually install updates with Windows Updater. I have no idea how to fix this problem, below is everything I think may be relevant about my PC, if anyone can help please do.

Windows 7 Professional, 64-bit version
Intel Core 2 Quad Q8400 2.66 Ghz
4 GB DDR3-1333
GeForce GT220
Western Digital Caviar Blue HHD 320GB 7200 RPM
ASUS P5P43TD Motherboard

I built this machine myself but I have very little knowledge about Operating Systems or how to fix them, thank you for your time.


My System SpecsSystem Spec
.

27 Jun 2010   #2

Windows 8 Core X64
 
 

This has fixed the problem for some people. Worth looking at at least:

windows installer service could not be accessed

I looked at mine and it's HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\msiserver. The values there are:

Windows Registry Editor Version 5.00

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\msiserver]
"DisplayName"="@%SystemRoot%\\system32\\msimsg.dll,-27"
"ImagePath"=hex(2):25,00,73,00,79,00,73,00,74,00,65,00,6d,00,72,00,6f,00,6f,00,\
74,00,25,00,5c,00,73,00,79,00,73,00,74,00,65,00,6d,00,33,00,32,00,5c,00,6d,\
00,73,00,69,00,65,00,78,00,65,00,63,00,2e,00,65,00,78,00,65,00,20,00,2f,00,\
56,00,00,00
"Description"="@%SystemRoot%\\system32\\msimsg.dll,-32"
"ObjectName"="LocalSystem"
"ErrorControl"=dword:00000001
"Start"=dword:00000003
"Type"=dword:00000010
"DependOnService"=hex(7):72,00,70,00,63,00,73,00,73,00,00,00,00,00
"ServiceSidType"=dword:00000001
"RequiredPrivileges"=hex(7):53,00,65,00,54,00,63,00,62,00,50,00,72,00,69,00,76,\
00,69,00,6c,00,65,00,67,00,65,00,00,00,53,00,65,00,43,00,72,00,65,00,61,00,\
74,00,65,00,50,00,61,00,67,00,65,00,66,00,69,00,6c,00,65,00,50,00,72,00,69,\
00,76,00,69,00,6c,00,65,00,67,00,65,00,00,00,53,00,65,00,4c,00,6f,00,63,00,\
6b,00,4d,00,65,00,6d,00,6f,00,72,00,79,00,50,00,72,00,69,00,76,00,69,00,6c,\
00,65,00,67,00,65,00,00,00,53,00,65,00,49,00,6e,00,63,00,72,00,65,00,61,00,\
73,00,65,00,42,00,61,00,73,00,65,00,50,00,72,00,69,00,6f,00,72,00,69,00,74,\
00,79,00,50,00,72,00,69,00,76,00,69,00,6c,00,65,00,67,00,65,00,00,00,53,00,\
65,00,43,00,72,00,65,00,61,00,74,00,65,00,50,00,65,00,72,00,6d,00,61,00,6e,\
00,65,00,6e,00,74,00,50,00,72,00,69,00,76,00,69,00,6c,00,65,00,67,00,65,00,\
00,00,53,00,65,00,41,00,75,00,64,00,69,00,74,00,50,00,72,00,69,00,76,00,69,\
00,6c,00,65,00,67,00,65,00,00,00,53,00,65,00,53,00,65,00,63,00,75,00,72,00,\
69,00,74,00,79,00,50,00,72,00,69,00,76,00,69,00,6c,00,65,00,67,00,65,00,00,\
00,53,00,65,00,43,00,68,00,61,00,6e,00,67,00,65,00,4e,00,6f,00,74,00,69,00,\
66,00,79,00,50,00,72,00,69,00,76,00,69,00,6c,00,65,00,67,00,65,00,00,00,53,\
00,65,00,50,00,72,00,6f,00,66,00,69,00,6c,00,65,00,53,00,69,00,6e,00,67,00,\
6c,00,65,00,50,00,72,00,6f,00,63,00,65,00,73,00,73,00,50,00,72,00,69,00,76,\
00,69,00,6c,00,65,00,67,00,65,00,00,00,53,00,65,00,49,00,6d,00,70,00,65,00,\
72,00,73,00,6f,00,6e,00,61,00,74,00,65,00,50,00,72,00,69,00,76,00,69,00,6c,\
00,65,00,67,00,65,00,00,00,53,00,65,00,43,00,72,00,65,00,61,00,74,00,65,00,\
47,00,6c,00,6f,00,62,00,61,00,6c,00,50,00,72,00,69,00,76,00,69,00,6c,00,65,\
00,67,00,65,00,00,00,53,00,65,00,41,00,73,00,73,00,69,00,67,00,6e,00,50,00,\
72,00,69,00,6d,00,61,00,72,00,79,00,54,00,6f,00,6b,00,65,00,6e,00,50,00,72,\
00,69,00,76,00,69,00,6c,00,65,00,67,00,65,00,00,00,53,00,65,00,52,00,65,00,\
73,00,74,00,6f,00,72,00,65,00,50,00,72,00,69,00,76,00,69,00,6c,00,65,00,67,\
00,65,00,00,00,53,00,65,00,49,00,6e,00,63,00,72,00,65,00,61,00,73,00,65,00,\
51,00,75,00,6f,00,74,00,61,00,50,00,72,00,69,00,76,00,69,00,6c,00,65,00,67,\
00,65,00,00,00,53,00,65,00,53,00,68,00,75,00,74,00,64,00,6f,00,77,00,6e,00,\
50,00,72,00,69,00,76,00,69,00,6c,00,65,00,67,00,65,00,00,00,53,00,65,00,54,\
00,61,00,6b,00,65,00,4f,00,77,00,6e,00,65,00,72,00,73,00,68,00,69,00,70,00,\
50,00,72,00,69,00,76,00,69,00,6c,00,65,00,67,00,65,00,00,00,53,00,65,00,4c,\
00,6f,00,61,00,64,00,44,00,72,00,69,00,76,00,65,00,72,00,50,00,72,00,69,00,\
76,00,69,00,6c,00,65,00,67,00,65,00,00,00,00,00
"FailureActions"=hex:84,03,00,00,00,00,00,00,00,00,00,00,03,00,00,00,14,00,00,\
00,01,00,00,00,c0,d4,01,00,01,00,00,00,e0,93,04,00,00,00,00,00,00,00,00,00


If you want to try this, export your current msiserver data then create a .reg file by copying and pasting the above red data into notepad then saving it to your desktop as msiserver.reg. Make sure you set the Save as type: to All files or it will append .txt to the name making it useless. Once you have the old data saved then right click on msiserver.reg and select Merge to replace those values in the registry.
My System SpecsSystem Spec
27 Jun 2010   #3

Microsoft Community Contributor Award Recipient

Windows 7 Home Premium x64 SP1
 
 

As Ztruker mentioned:

Unregister and re-register the Windows Installer

Start> Type Run in search box> Click on Run in results above

Type

MSIEXEC /UNREGISTER

Click OK

Start> Type Run in search box> Click on Run in results above

Type

MSIEXEC /REGSERVER

Click OK

See if the problem is fixed.

A Guy
My System SpecsSystem Spec
.


28 Jun 2010   #4

Win 7 Pro 64-bit
 
 

Well after trying everything (with no luck) I opened up Regedit and I apparently don't HAVE a MSIServer folder there, so how do I make one because it is not immediately obvious to me and I feel this will solve the problem.
My System SpecsSystem Spec
28 Jun 2010   #5

Windows 8 Core X64
 
 

Create the .reg file and merge it as I mentioned in my previous post.
My System SpecsSystem Spec
29 Jun 2010   #6

Win 7 Pro 64-bit
 
 

I tried to merge the registry then reboot but it still has not worked.

The SFC scan however detected some problems, but was unable to fix them, I could pull up the log but I cannot find it using any of the methods I can find (probably because I lack experience with the Command Prompt)

any help?
My System SpecsSystem Spec
30 Jun 2010   #7

Windows 8 Core X64
 
 

See this MS article: How to use the System File Checker tool to troubleshoot missing or corrupted system files on Windows Vista or on Windows 7

It tells you how to locate the SFC error data in the log file.
My System SpecsSystem Spec
01 Jul 2010   #8

Win 7 Pro 64-bit
 
 

Ok, I have attempted most of this multiple times, and I still get the error, I think that I am going to do a Repair Install but am worried about needing a new product key, will my old product key work for this process?
My System SpecsSystem Spec
02 Jul 2010   #9

Microsoft Community Contributor Award Recipient

Windows 7 Home Premium x64 SP1
 
 

Yes, your valid key should work fine. Follow along with this great tute by our own Brink, before you begin. See the last step to reactivate Windows 7. A Guy

Repair Install
My System SpecsSystem Spec
05 Jul 2010   #10

Win 7 Pro 64-bit
 
 

Ok, a repair install has allowed me to install an Anti-virus (Microsoft security essentials) but now I randomly get an error saying "Can't find AsIO.sys !! (2)" what is that? also the last few times I've booted Windoes runs ScnDsk and finds sectors that cannot be read, and I am getting bizzar performance glitches. I think my hard drive may be dying but I'm not sure. It's still under warrenty and I think I may get an SSD for Windows and then put everything else on a replacement, what do you guys think?

Rep has gone to those who helped so far by the way, many thanks cause you guys are saving my ass a lot of guess and check!
My System SpecsSystem Spec
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 Windows Installer Cannot Be Accessed




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