You will get VB6 Emergency Rescue: Fix One Critical Bug - Audit of Legacy VB6 apps
Project details
This package is designed to provide a fast, focused solution for a single, show-stopping problem in your legacy VB6 application. I will:
-Diagnose the Root Cause of one specific runtime error, crash, or functional failure (e.g., "Error 429: ActiveX component can't create object", data not saving correctly, a specific form not loading).
-Deliver a Fixed and Tested VB6 Project with the issue resolved.
-Provide a Brief Summary Report explaining what was broken and how it was fixed, so you have a record for the future.
This Package Is Perfect For You If:
-Your business relies on an old VB6 program that suddenly stopped working.
-You get a specific error message (like "Runtime Error 'X'") and don't know what to do.
-The original developer is unavailable, and no one else on your team can maintain the VB6 code.
--You need a quick, expert fix to keep your operations running while you plan for a long-term modernization.
-Diagnose the Root Cause of one specific runtime error, crash, or functional failure (e.g., "Error 429: ActiveX component can't create object", data not saving correctly, a specific form not loading).
-Deliver a Fixed and Tested VB6 Project with the issue resolved.
-Provide a Brief Summary Report explaining what was broken and how it was fixed, so you have a record for the future.
This Package Is Perfect For You If:
-Your business relies on an old VB6 program that suddenly stopped working.
-You get a specific error message (like "Runtime Error 'X'") and don't know what to do.
-The original developer is unavailable, and no one else on your team can maintain the VB6 code.
--You need a quick, expert fix to keep your operations running while you plan for a long-term modernization.
Programming Languages
VBOperating System
WindowsDesktop App Expertise
Application Setup & Installation, Development, Software Debugging, Performance Optimization, Application Review & OptimizationWhat's included $499
These options are included with the project scope.
$499
- Delivery Time 7 days
- Number of Revisions 3
- Bug Investigation
- Fix Documentation
Optional add-ons
You can add these on the next page.
Additional Revision
+$75
Detailed Code Comments
(+ 2 Days)
+$75About Sunil
Software That Just Works|.NET, SQL, VBA, Access, SSRS,Add-ins |25+ Yrs
Pune, India - 9:54 pm local time
Need a .NET app built? An Access database fixed? Excel automated? Power-BI Dashboard? SSRS Report? I do it all – reliably. 25+ yrs, 100+ 5-star projects (Guru). Let's talk
Your Trusted Partner for Business Software That Just Works
I've completed over 100 projects on another platform with perfect 5-star ratings. I'm new to Upwork, but not to freelancing.
For over 25 years as a Full Stack .NET Developer and Software Architect, I've helped businesses like yours modernize operations, solve complex data problems, and automate tedious tasks. I don't just write C# code; I build reliable, user-friendly tools using ASP.NET Core, WinForms, WPF, and SQL Server backends that become the backbone of your daily workflow.
As a seasoned developer specializing in the Microsoft ecosystem, I offer a unique blend of modern application development and deep expertise in maintaining legacy systems built in VB6 and older Access versions. My focus is on delivering clear value: saving you time, reducing errors, and giving you control over your data.
What you get when you hire me:
I deliver more than just working code—I deliver peace of mind. I build and maintain advanced .NET applications (C#, ASP.NET Core, .NET Framework) with scalable backend architectures, clean REST APIs, and heavily optimized SQL Server databases using Entity Framework, stored procedures, and performance tuning. I have deep experience integrating these systems with enterprise platforms like ERPs, CRMs, e-commerce engines, OMS, payment gateways, and shipping APIs.
On the technical side, I excel at auditing messy codebases, refactoring legacy code into maintainable systems, debugging the most stubborn production issues, implementing secure authentication/authorization, and reviewing code to recommend real architectural improvements. I write clean, well-documented code and collaborate seamlessly with project managers, QA, front-end developers, and technical leadership.
On the consulting side, I work entirely independently, communicate technical decisions in plain business language, and give you an honest, no-surprises assessment of risks, timeframes, and blockers from day one. I document everything, join calls whenever needed, and treat your timeline as seriously as my reputation.
How I Can Solve Your Business Challenges:
· Modern Desktop & Web Applications: Building robust, scalable systems in C# .NET (WinForms, WPF) with SQL Server backends for inventory, ERP, and custom business logic.
· Database Design & Optimization: Expert in SQL Server and Microsoft Access. I specialize in converting outdated Access databases, fixing performance issues, and designing efficient, secure data structures.
· Office Automation & Integration: Creating powerful macros and add-ins for Excel, Word, and Outlook to automate reports, generate documents, and streamline communication.
· Legacy System Support & Troubleshooting: A proven expert in Visual Basic 6 (VB6) and older Access versions. I can take over undocumented, complex systems, reverse-engineer them, and provide stable, long-term support.
· API Integration & Data Consolidation: Connecting your software to other services, pulling data from various sources (APIs, Excel, CSV), and creating a single source of truth.
· Custom Reports in Intuit QuickBooks via ODBC connection, execute queries, retrieve data/transactions based on user defined criteria. Connect to QuickBooks via its API to post vouchers through custom desktop/web applications. Import/Export from QuickBooks.
Why Clients Keep Coming Back:
· Deep Domain Knowledge: I've built solutions for construction, manufacturing, legal, banking, and warehousing. I understand your industry's unique challenges.
· Clear Communication: I translate technical jargon into plain English. You'll always know the plan, the progress, and the outcome.
· Low-Risk, High-Value Projects: I believe in starting with a clear assessment and a fixed-price roadmap. You'll know exactly what you're getting before any major work begins.
Let's build something great together. Send me an invitation, and let's discuss how I can bring reliability and expertise to your project.
The difference between a cheap developer and a senior architect often isn’t in the features you can see, but in the catastrophes you never see.
While I'm newer to Upwork, I've maintained a 100% success rate with 50+ projects over 10 years on Guru dot com. You can see my extensive portfolio and client reviews there to verify my track record there. My profile ID is 'sunil-2060'
Steps for completing your project
After purchasing the project, send requirements so Sunil can start the project.
Delivery time starts when Sunil receives requirements from you.
Sunil works on your project following the steps below.
Revisions may occur after the delivery date.
Receive files from client
Receive description of error and steps to reproduce it