Microsoft office Error code 1309

Microsoft office error 1309 is caused by attempting to run the installer before the contents of the download have been un-zipped.

Error code 1309 is an error code that occurs when installing either Microsoft Office 2003 or Microsoft Office Project 2003.

This error code may hamper your ability to run and use applications associated with Microsoft Office. To ensure installation is successful, it is first advisable to fix this error code. Error 1309 is displayed in any one of the two formats illustrated below.

When installing Microsoft Office Project 2003, the error message may pop up as:

Error 1309. Error reading from file: Verify that the file exists and that you can access it.

When installing Microsoft Office 2003, the error message may appear in the following format:

Fatal Error during Installation

Here at Ibmi Media, as part of our Server Management Service, we regularly help our Customers to resolve Windows related issues.

In this context, we shall look into steps to fix this Windows error.

What Triggers Microsoft office Error code 1309 ?

Error code 1309 message may appear during Microsoft Office installation due to several reasons. 

These include:

i. Problems in the Oclncore.opc file. Project 2003 uses this version of the file for program installation.

ii. Lack of adequate use permission.

iii. The requested file was not found.

iv. Setup registry entries are modified in unacceptable manner.

v. To avoid inconvenience and access Microsoft Office 2003  or Microsoft Office Project 2003, it is recommended to fix the error immediately.

How to fix Microsoft office Error code 1309 ?

To resolve this error you don't need to be a technical genius. Here are some of the best, easiest and proven do it yourself methods to resolve error 1309 on your computer screen instantly.

1. Change CacheLevel Settings

If the problem is related to Oclncore.opc file then try changing CacheLevel settings.

Follow these steps to work around this method:

i. First locate the PRJPRO*.XML file in the FILESSETUP folder of the Project 2003 installation source and then open this file in the Notepad.

ii. Also make sure that you do not open the file as read only and make sure that a check mark is not displayed next to Word Wrap on the Format menu.

iii. Next step is to search the file for the following text string: OCLNCORE.OPC_1033.

iv. Now on the line where this string is located, change the CacheLevel=’1’ setting to the following CacheLevel=’3’ save the file back to the original location and then quit Notepad.

v. After the changes are activated, try installing the software again on your system. 

If it installs successfully, then this means the error 1309 is resolved. 

If the error still persists then try other given methods.

2. Configure security settings to get full permission

When the cause of the error 1309 on your PC is related to lack of adequate permission issues, then configure security settings to resolve.

i. To do this, simply locate the folder on your installation drive.

ii. Then right click the folder and click Properties. On the security tab, click edit and now make sure your user name is added to the list.

iii. Grant required security permissions and then Click OK to save changes.

iv. After this, try installing Microsoft Office 2003 again on your system.

3. Copy the requested file from another source

If the error 1309 pops up because the requested file was not found, then try this method. Simply copy the file specified in the error to the destination directory.

For example if the error shows was not found, then copy this file from another source and paste into the directory specified in the error description.

4. Remove bad registry entries

Bad registry entries are responsible for registry setup modification. If this is the reason for error code 1309, then scan and remove all bad and invalid entries accumulated in the registry. This will clean and repair the registry resuming it back to its normal function.

[Still facing Windows Error code 1309? We are available to help you today. ]


This article will guide you on different methods to resolve #Microsoft office Error code 1309. To avoid this error please right click the downloaded file and select “Extract All,” then choose a destination for the files to be extracted to.

If you encountered a problem while installing Office on a PC, try restarting your computer and then attempting to install Office again. If that didn't help, use this easy fix tool to uninstall #Office completely. After your uninstall is complete, try reinstalling Office.

To fix Another installation is already in progress on Windows 10:

1. Restart the #Windows Installer service.

2. End Windows Installer process.

3. Disable Windows Installer service and restart your #PC.

4. Perform Disk Cleanup.

5. Perform a Clean #Boot.

6. Check your #Registry.

7. Uninstall and reinstall Office.

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