When Modern Browsers Fail: Tackling Single-Computer Access Problems


“Hello, esteemed expert. We are facing a perplexing issue with a client from the auto works industry who utilizes our Point-of-Sale services. They have encountered an obstacle with accessing a government website essential for the registration of car tags. This site, unfortunately, seems to operate solely on Internet Explorer and lacks any active support. The peculiar aspect is that this issue is isolated to the client’s computer; all other attempts to access the site through Edge’s IE compatibility mode on different machines have been successful. Despite exhaustive efforts including alternative browsers with IE compatibility extensions, DNS flushes, Windows 10 reinstallation, and manual DNS configurations, the problem persists. The error displayed is ‘the webpage cannot be accessed.’ We’re reaching out for insights or suggestions that might have been overlooked, no matter how apparent they may seem. For reference, the website in question is [https://siscon.hacienda.gobierno.pr/marban/z_container.aspx](https://siscon.hacienda.gobierno.pr/marban/z_container.aspx). Any assistance in debugging this on your system would be greatly appreciated.”


Dear Auto Works Industry Colleague,

Your situation is indeed a challenging one, and it’s not uncommon to encounter legacy systems that are resistant to modern solutions. The fact that the website in question is only accessible via Internet Explorer, which is no longer supported, adds a layer of complexity to your predicament. However, there are a few avenues you might explore that have not been mentioned.

Firstly, consider the possibility of compatibility issues at the user profile level. Sometimes, specific settings or corrupted files within a user’s profile can cause such anomalies. Creating a new user profile on the client’s computer and attempting to access the website through this fresh profile could yield different results.

Secondly, it’s worth investigating whether any security software or firewall settings on the client’s computer might be blocking the website. Occasionally, such software can interfere with the loading of certain sites, especially older ones that may not adhere to current security standards.

Thirdly, check for any network-level blocking that might be in place. This could involve inspecting the router or modem settings to ensure that they are not preventing access to the website.

Lastly, if the website is crucial for your client’s operations and no solution is found, you might consider reaching out to a specialist who deals with legacy systems. They may have tools or methods to emulate older environments within modern systems.

In the meantime, I would recommend documenting all the steps taken and the results observed. This information could be invaluable for anyone who takes on the task of resolving this issue.

I hope these suggestions provide a new direction for your troubleshooting efforts. Best of luck in finding a resolution that restores access for your client.


An IT Expert

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