
Nessus
AlienVault USM (from AT&T Cybersecurity)
Tenable.io
Cloudfogger
BoxCryptor
Google Drive
Mega
Qualys helps your business automate the full spectrum of auditing, compliance and protection of your IT systems and web applications.

Microsoft Teams
How-To Geek
The Windows Club
ErrorFeed
Scanmycode
WinCrashReport
Free Windows error code database with 1,000+ step-by-step fixes for BSOD, update failures, driver and network errors.

Which is more popular?
Website, pricing, platforms and company facts side by side.
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| Website | qualys.com | errorcodereference.com |
| Pricing | ||
| Company | Startup from the United States | 1 - 9 employees · 2026 |
| Listed in |
In their own words, as submitted to SaaSHub.


No description of Qualys yet.
Here's a clean description for SaaSHub: ErrorCodeReference is a free, ad-free database of 1,000+ Windows error code fixes. Whether you're dealing with a BSOD, a failed Windows Update, a driver error, or a network issue, you can search any error code or keyword and get a clear step-by-step guide...
What each product offers, as listed by its team.


Possible disadvantages
No features have been listed yet.
An editorial look at what each product does well and who it suits.


Overall verdict
Why this product is good
Recommended for
Qualys is recommended for businesses of all sizes that need a cloud-based, scalable, and comprehensive security solution. It's particularly beneficial for organizations that require vulnerability management, compliance monitoring, and those operating in highly regulated industries where security is paramount.
No analysis of ErrorCodeReference yet.
Walkthroughs and reviews on video.
Qualys Review by SecNetlab
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How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing Qualys and ErrorCodeReference.
ErrorCodeReference's answer:
Every guide is written specifically for that error code, not a generic troubleshooting checklist. Search any Windows error code or keyword and you get a direct fix. No account needed, no paywall, completely free and ad-free.
ErrorCodeReference's answer:
Most Windows error help is buried in forum threads from 2011 with no real resolution. ErrorCodeReference gives you one place with a clear, current, step-by-step fix for over 1,000 Windows errors. Free forever, no ads, no sign-up required.
ErrorCodeReference's answer:
Windows 10 and 11 users ranging from everyday home users dealing with a BSOD to IT professionals troubleshooting driver and update failures.
ErrorCodeReference's answer:
After 6 years answering Windows error questions on Microsoft Q&A, I kept seeing the same problem. People googling error codes and landing on outdated forum posts that never actually solved anything. So I built the site I wished existed. 1,000+ error fixes, completely free.
ErrorCodeReference's answer:
HTML, CSS, JavaScript and Cloudflare.
ErrorCodeReference's answer:
ErrorCodeReference is a free tool used by everyday Windows users and IT professionals. We don't have paying customers as the service is completely free to use.
Share your experience with using Qualys and ErrorCodeReference. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


Qualys Container Security is one of 21 applications that fall under the Qualys Cloud Platform umbrella. The Cloud Platform is available for the cloud and on-premises container deployments. Qualys’ Container Runtime...
Qualys is a cloud-based application security scanner that is known for its ability to crawl every corner of your IT network’s portfolio to detect all types of web assets. It grants users full 24/7 visibility of their...
Qualys is a cloud platform that continuously detects and protects against attacks anytime, anywhere. It is next-generation vulnerability management for hybrid IT environments. Qualys’ integrated approach to IT...
We have no reviews of ErrorCodeReference yet. Be the first one to post
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