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Sometimes when windows users try to install SQL Server 2005 Service Pack 1 then they might be encountered with some errors. The BUG: Error message when you try to install SQL Server 2005 Service Pack 1: “Unable to install Windows Installer MSP file” also comes under these errors..

Symptoms

When users try to install Microsoft SQL Server 2005 Service Pack 1 (SP1), then they receive the some of the following error messages on their screen.

A) Unable to install Windows Installer MSP file.

After receiving the first message, they will again receive an error message as following:

B) A recently applied update, KB 913090, failed to install.

Apart from this, you may also notice in the Microsoft SQL Server 2005 Service Pack 1 Setup dialog box that the status for Setup Support Files is Failure.

  • The most common reason behind this error is installing incompatible or outdated driver, missing system files, corrupted registry file or damaged pc by viruses. Advanced System Repair Tool is the only solution for all the system errors. By installing this tool you will be able to remove above windows error.
    3 Steps to Fix this Error

    Step 1. Download Advance System Repair Tool [File Size: 15.7 MB]
    Step 2. SCAN your Windows PC
    Step 3. Click Fix button to Repair Error

Causes

Generally, this BUG: Error message when you try to install SQL Server 2005 Service Pack 1 occurs because of the below causes.

A) If users don’t have the Full Control permission on the below folder and its files.

B) If the SQL Server 2005 SP1 does not upgrade the SQL Server Setup Support files. And it happens due to the SQL Server Setup Support files that are installed on the system by one of the previously listed products are not compatible with the SQL Server Setup Support files that are included in SQL Server 2005 Service Pack 1.

Solutions

The solutions of BUG: Error message when you try to install SQL Server 2005 Service Pack 1 are worked according to its causes. So, see the below solutions:

A) Give the Full Control permission on the Data folder and on all the files in the Data folder. For this follow the below steps:

1) Open this folder: %ProgramFiles%\Microsoft SQL Server\MSSQL.X\MSSQL.
2) Then Right-click on the Data folder, and click on the Sharing and Security.
3) Now click on the Security tab in the Properties dialog box.
4) Click on the Administrators under the Group or user names.
5) Select the Allow check box for the Full Control permission under the Permissions for Administrators and click OK button.
6) Now open the Data folder again.
7) Click on the Select All under the Edit menu.
8) Click on the Properties under the File menu.
9) Now repeat the steps from 3 (Three) to 5 (Five).
10) Then reinstall the Microsoft SQL Server 2005 Service Pack 1.

B) Install the Correct version of the SQL Server Setup Support files.

1) Export the MSIRefCount\Uninstall registry entry. So follow the steps:

a) Click on the Window icon >> Run >> Type Regedit >> Press Enter to go to Registry Editor.
b) Locate the below registry sub-key in the Registry Editor window:

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Microsoft SQL Server\90\Bootstrap\MSIRefCount

c) Click on the Uninstall registry entry in the right panel.
d) Click on the Export under the File menu.
e) Now specify a location and a file name, and then save it.

2) Go to the Control Panel >> Click on the Add or Remove Programs >> Uninstall the existing SQL Server Setup Support files.
3) Reinstall the 9.00.1399.06 version of the SQL Server Setup Support files. So follow the below steps:

a) Open the Servers\Setup folder from the SQL Server 2005 installation media.
b) Double-click on the SqlSupport.msi file to install the 9.00.1399.06 version of the SQL Server Setup Support files.
c) Follow the installation wizard through the rest of the installation processes.

4) Import the registry setting through the registry file that you saved in step 1.
5) Reinstall SQL Server 20056 Service Pack 1.

Now by applying the above methods, users may solve their problem related to the BUG: Error message when you try to install SQL Server 2005 Service Pack 1: “Unable to install Windows Installer MSP file”. You may also try the third party tool Advanced System Repair Tool to Fix Unable to install Windows Installer MSP file error message.

  • The most common reason behind this error is installing incompatible or outdated driver, missing system files, corrupted registry file or damaged pc by viruses. Advanced System Repair Tool is the only solution for all the system errors. By installing this tool you will be able to remove above windows error.
    3 Steps to Fix this Error

    Step 1. Download Advance System Repair Tool [File Size: 15.7 MB]
    Step 2. SCAN your Windows PC
    Step 3. Click Fix button to Repair Error

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BUG: Error message when you try to install SQL Server 2005 Service Pack 1

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