How to Fix QuickBooks Runtime Error 429?

Published by John Smith at February 11, 2019

What leads to QuickBooks runtime error 429?

An Active Program window crash
Windows are working slowly and responding sluggishly to mouse/keyboard input.
Computer freezing ‘periodically’ several times
An error message saying ‘QuickBooks error 429’ displayed on the screen.

So, it is evident from the above signs and symptoms that QuickBooks error 429 dramatically affects the smooth functioning of QuickBooks and thus needs an immediate solution. Before going to the remedies, it is essential to understand the causes that lead to this error.

Causes of QuickBooks Runtime Error 429

Corrupt download / incomplete installation of QuickBooks
Corrupt Windows registry
Virus/malware infection is corrupting the Windows System files/ QB related files.
A program mistakenly removed QB related files

Troubleshooting Steps to Fix QuickBooks Error 429

Step 1- Repair registry entries

It is not recommended to perform manual editing without technical supervision. In case any change is incorrectly done, then it can cause further discrepancies and irreversible damage to the Operating System.

First, create a backup by exporting a part of the registry related to Error 429. Below steps explain how to create a backup

Press ‘start’ option
Fill in ‘Command’ in the search and do not press enter as of now.
Hold CTRL+Shift and press Enter
Now in the registry editor, choose Error 429 related key that needs the backup
Go to file menu & select Export
Now in the ‘Save in’ section, choose the folder where you desire to save the QB Backup key
In the file name box- fill in ‘name of the backup ’
In the export range box, choose ‘selected ’
Press Save
The file is saved under ‘.reg file ’

Next step is to repair the registry manually, and it is highly recommended to perform the steps under technical supervision.

Step 2- Perform a malware scan on the PC

The error 429 might have occurred because of a malware infection on your system. The malicious intruders corrupt, damage, delete the runtime error related files. Moreover, it is possible that Error 429 is associated with a component of the Malicious program itself.

Step 3- Clean System Junk with Disk Cleanup( cleanmgr)

Multiple junk files get accumulated over a period of time from various activities such as web surfing, computer use, etc. Junk files accumulation can lead to slowing down of QuickBooks or an unwanted error such as Error 429. Use the Disk Cleanup to correct this problem. Perform the below steps:

Disk Cleanup for Windows XP, Vista, 8, 7, & 10

Click Start option
Type ‘Command’ and do not press enter of now
Press CTRL+SHIFT and hit ENTER
You will see a permission dialog box and Press YES
Type ‘Cleanmgr’ in the black box with a blinking cursor and hit ENTER

This will start the cleanup process, and Disk Cleanup will begin calculating how much disk space you can get. Temporary files occupy the maximum space, hence ensure to check all the boxes you want to clean and press OK.

Step 4- Update PC Device Drivers

Corrupt or outdated device drivers can also lead to QuickBooks error 429. To ensure the continuous functioning of the driver, it is important to update the device driver regularly.

Ensure to find the exact driver for Error 429. Additionally, it is also a task to download and manually update drivers. In case a wrong driver is installed, it can worsen the problems. Hence, it is highly recommended to use a driver update tool to simplify the process.

Step 5- Use Windows System Restore option to ‘Undo’ any recent system changes

This function helps you to go back in time and fix Runtime Error 429 issues. The system restore can return the system files & programs to the time when everything was OK.

For Windows XP, Vista, 7, 8, and 10

Press start option
Type ‘system restore’ and press enter
Press ‘System ’
Type in admin passwords if asked
Now follow the wizard to select a restore point
Now Restore the computer.

Note: The System Restore will not affect pictures, docs, and other data.

Step 6- Uninstall & reinstall QuickBooks Program

If the QuickBooks runtime error 429 is related to a particular program, then Uninstalling the software and then re-installing QuickBooks can amend the issue.

Note: If you are sure that QuickBooks error 429 is related to a particular Intuit program then Uninstalling and then reinstalling will solve the problem.

Step 7- RUN Windows system file checker

System file checker is a useful tool for Windows that enables you to SCAN and restore corruptions in the Windows system files. Perform the below steps

For Windows XP, Vista,7, 8, & 10

Press start
Type ‘Command,’ but do not hit Enter yet
Hold CTRL+ SHIFT and press Enter
Click YES, when prompted with a permission dialog box
Type ‘SFC/scannow’ & press ENTER
You will see system file checker begin scanning for Error 429 & other system files issues.
Now follow the On-screen commands

Step 8- Install the available Windows Updates

Delay in Windows System file updates can also lead to QuickBooks Error 429. Follow the below steps given:

To check the Windows Updates for Windows XP, Vista, 7, 8,& 10

Press ‘Start’
Enter ‘update’ and hit ENTER
You will see windows update dialog box
If you see updates available then Press ‘Install updates’ option

Step 9- Perform Clean Installation of Windows

Lastly, do a clean installation of windows to rectify the issue entirely.

Thank you for reading this blog. Follow the above-given steps in the sequence in which they appear and be careful to perform every step accurately. In case you require any assistance or quick guidance then speak to a technical expert at QuickBooks error support number 1.888.502.0363.