# Encountering QuickBooks Error 1638? Here are the Solutions

It is a fact that QuickBooks is a great software, but it is still plagued with multiple technical issues. A common problem in this application is [QuickBooks error 1638](https://asquarecloudhosting.com/quickbooks-error-1638/).


**The reasons behind this problem are as follows**:

* Restrictive Firewall settings,
* Improperly set up anti-virus settings,
* QB is already installed on the device, and many others.

All these errors can disrupt your workflow and cause loss in your business. Therefore, to get rid of this problem, our experts have done deep research and prepared this blog for you. Go to the bottom of this blog and see what information has been provided.

## Possible Origins Behind QB Installation Error 1638

A variety of reasons can be responsible for you experiencing QB error 1638.
* The main factor behind it can be the source from which you have installed the QB application.
* This may also get triggered by the restrictive settings of the Windows firewall.
* The action to install the application when it is already present on the computer can be one reason.
* This can occur if the installation guidelines are not followed properly.
* Misconfigured anti-virus settings can be another reason that blocks access to this software.

**Note**:- [QuickBooks Error 108](https://asquarecloudhosting.com/quickbooks-error-108/) appears when online banking notifications remain pending, preventing account updates and disrupting smooth bank feed synchronization.

## Address QuickBooks Error 1638 Using Simple Methods

Let's have a walkthrough of the solutions that you can use to eliminate QB error 1638.

#### Check the restriction policy

* Open the Start menu.
* Search for the Control Panel and hit Enter to open it.
* Tap on the Administrative Tools and then choose Local Protection Settings.
* Choose Software Restriction Policies.
* If you are not restricted, you must right-click on the Nord with the specified program restriction rule.
* Hover over the New Software Restriction Policy.
* Click twice during Enforce.

#### Run Quick Fix my Program

* The very first step is to open the [QB Tool Hub](https://asquarecloudhosting.com/quickbooks-tool-hub/).
* Next, you need to click on the Programs Problem.
* After this, you must choose Quick Fix my Program.
* Now wait for the tool to complete the repairing process.

#### Search for the current QB version
* Open the Run window and search for the Control Panel.
* After you have launched the Control Panel, tap on the Programs option.
* Click on the Uninstall a Program option if the Control Panel is in the Category view.
* If the version that you want to add is present in the program’s list, open that program.

#### Clean Install QB

##### Step 1: Uninstall the program
* Open the Task Manager.
* Head to the Process tab and right-click on the End Process option.
* You need to do this for all the QB versions.
* After this, you are required to press the Windows icon and open the Control Panel.
* Click on the Programs and Features and have a look at the programs list.
* From the list, choose QuickBooks Desktop and perform a right-click on it to choose Uninstall.

##### Step 2: Rename the installation folder

* Head to the Start menu.
* Go to the folder where you keep your company files. The location of the folder can be:
* C:\ProgramData\Intuit\QuickBooks (year)
* C:\Users(current user)\AppData\Local\Intuit\QuickBooks (year)
* C:\Program Files\Intuit\QuickBooks (year)
* For 64-bit version users, C:\Program Files (x86)\Intuit\QuickBooks
* When the folder is found, you must right-click on the folder and choose Rename.
* Also, don't forget to add .old at the end of the folder name.

##### Step 3: Reinstall QB
The last step is to reinstall the application by visiting the official Intuit website.

**Discover more**:- [QuickBooks Error 590](https://asquarecloudhosting.com/how-to-fix-quickbooks-error-590-causes-resolution-methods/) occurs during banking connections when sign-in details or server communication issues block successful account updates.

## Conclusion
Through this blog, we have come to know what kind of error this is and what factors contribute to it. Along with all this information, we have also provided some resolutions to overcome it. If you still don't want to resolve it alone and want professional help, dial our toll-free number [phone].