Select Page
Software Testing

Troubleshooting 101: Differentiating Bugs, Errors, and Issues

Being a leading QA Company, we write blogs on all prominent software testing topics and tools using our real-world experience. So stay sharp by subscribing to our Newsletter.

laptop coding
Listen to this blog

Software testing is done to find anomalies in code that prohibit the product from performing as it should. These abnormalities are divided into specific groups to make debugging tasks more manageable for your team.

This article will explain the differences between bugs, errors, and issues so that QAs may be confident in cataloging, analyzing, and resolving these anomalies. Unfortunately, these flaws are guaranteed to appear while getting manual testing services for your website or app.

What is a Bug?

Any flaw in a software system that makes it act in unexpected and undesired ways is referred to as a bug. These might include unreasonable or inaccurate reactions, failed systems, and system crashes, among other things. It’s a programming fault that leads to software failure that can be discovered before the website or app is put into production.

Here are a few examples of bugs: 

  • Algorithm-related bugs
  • Bugs that impair logic, such as infinite loops
  • Uninitialized variables that cause bugs to appear 

What is an Error?

Errors refer to coding or programming faults that are often caused by wrong syntax or erroneous loops. Inconsistencies or blatant fallacies in the underlying code structure cause errors to appear in the source code. Misconceptions, oversights, or misunderstandings on the developer’s part (engineers, testers, analysts, etc.) cause anomalies.

Errors come in a variety of forms:

  • Calculation errors caused by incorrect formulas
  • Errors in data handling due to the overwriting of required files
  • Errors in configuration owing to a lack of storage capacity

What is an Issue?

The issue is a bit of a catch-all word. It signifies the presence of some abnormality in a software system that has to be resolved in software testing circles. As a result, an issue might be anything from a bug to missing or erroneous documentation, a feature request, or any other process that needs to be completed.

Issues are often assigned severity levels to be prioritized in the development and quality assurance hierarchy: high, medium, low, and cosmetic.

Clients and managers use the word “issue” to signify that something is wrong with the program at hand. It is often employed when the source of the problem is unknown. And once a problem has been identified, it must be investigated to determine its nature before being allocated to the appropriate team for remediation.

The Importance of Real Devices in Debugging and Problem-Solving

Identifying and removing any anomaly requires rigorous software testing on actual browsers and devices. Given the present state of browser-device fragmentation, every website or app must be accessible across various device-browser-OS combinations. 

More than 4 billion people use various devices to access the internet, including:

  • More than 9,000 different gadgets 
  • 21 distinct operating systems (vendor + version)
  • Hundreds of browsers powered by eight primary browser engines

To ensure a favorable user experience across the board, there are 63,000 browser-platform-device combinations to test, and the number is continually growing. Due to the unique specifications of one particular browser, device, or OS, faults may appear on one combination but not on others. The program must be tested on various devices and browsers to guarantee that flaws and issues may be spotted across them.


Quality control operations include identifying defects, categorizing, reporting, and finally removing them. However, prevention is better than cure. The core of software quality assurance is to set up monitoring and inspection mechanisms at every level of the software development life cycle. Make sure to get optimal QA services to avoid any bug, error, or issue in your software. 

Codoid is an industry leader in QA services. Our brilliant team of engineers is dedicated to helping clients overcome the challenges of complex manual testing services to grow a product. Contact us today!


Submit a Comment

Your email address will not be published. Required fields are marked *

Talk to our Experts

Amazing clients who
trust us