How to Remove Mark of the Web from RESX Files? Solved
Published: October 29th, 2025 • 4 Min Read
If you ever use Visual Studio Code for developing C# or .NET projects, then you have absolutely faced the “unable to load RESX because it is not trusted” error. The prime reason for this error is the mark of the web in RESX file. The mark of the web is a security feature in Windows OS designed to protect users from unsafe files downloaded from the internet. Secondly, on the other side RESX file is an XML-based resource file format used by .NET or C# developers to manage localizable resources like strings, images, and icons, etc.
However, if your RESX file has an attached Mark of the Web (MOTW), then it may throw an error. Therefore, several times searched for techniques to remove mark of the web from .resx file. Today, with this troubleshooting guide, we will provide you with two expert-tested ways to solve your problem. However, before moving forward to the actual methods. Let us have a short discussion for what are different issues faced by users when your RESX file has an attached Mark of the Web.
Why Users Need to Remove Mark of the Web from RESX File? Common Queries
When you download the RESX file from any internet source on Windows devices. The RESX files are attached with the mark of the web metadata. Based on where you are trying to load or access the RESX file, users may encounter different errors, including.
- Couldn’t process file form1.resx due to its being in the internet or restricted.
- Couldn’t process file .resx due to its being in the internet
- Couldn’t process file mainform.resx due to its being in the internet or restricted zone
- Unable to load resx because it is not trusted
To solve all the above errors for RESX files attached with mark of the web metadata. You may go with both do-it-yourself and automated approaches. However, both methods will work, but the only constraint in the manual methods is that you can remove mark of the web of a single RESX file at a time. Now, let us discuss the actual working steps for the techniques.
How to Disable Mark of the Web from RESX File Using File Explorer?
- Initially, locate the RESX file on your Windows PC.
- Next, right-click on the RESX file and click the properties tab.
- After that, from the General tab, go to the Security block at the bottom.
- Now, check the unblock button and click on the Apply button.
- Finally, you have successfully removed mark of the web from RESX file.
Important Considerations Unblocking the RESX File
- Do not directly remove the MOTW from the RESX file, as it is a security feature. Before removing the mark of the web from .resx files, it is suggested to check the file is virus-free or not using a reputable antivirus.
- Ensure the RESX file from which you are removing the mark of the web metadata is from a trusted source.
- Do not remove the mark of the web for executable or script files using the same method unless you have trust in the source of such files.
Professional Solution to Remove MOTW from Multiple RESX Files
For more professional users who regularly encounter errors, like being unable to load .resx because it is not trusted. You may use the BitRecover Mark of the Web Remover to remove mark of the web from RESX files. This smart utility supports batch MOTW removal and with a detailed report including field Zone ID, Host URL, creation date, modified date, etc. Users may use this easy-to-use application on their desktop.
How to Remove Mark of the Web from Multiple RESX Files?
- At the start, download and run the suggested utility on your PC.
- Next, click on the Select Files or Select Folders option to add RESX files.
- After that, choose the RESX from which you need to remove the mark of the web.
- Thereafter, select the destination path for the report and click the remove button.
- Finally, wait for the process of removing mark of the web from RESX files to complete.
Final Thoughts
In conclusion of the above blog on the topic of how to remove mark of the web from RESX files. We have discussed common queries and two tested ways to overcome the issue. Users may choose both the professional and DIY approach according to their requirements. For organisations and working professionals, the automated solution is better as it will create a detailed report that can be useful for managing records.


