Ran executable that changed messed up my chrome manifest file

Title: Troubleshooting Chrome Manifest Errors After Running Unknown Executable

Introduction:

Encountering unexpected errors in your web browser can be frustrating, especially when they disrupt your daily workflow. Recently, some users have reported issues with Google Chrome’s manifest files after executing unfamiliar programs. In this article, we’ll explore the possible causes of this problem, provide steps to diagnose and resolve it, and offer best practices to prevent similar issues in the future.

Understanding the Issue:

The Chrome browser relies on manifest files to manage extensions and ensure their proper functioning. When these files become corrupted, missing, or unreadable, Chrome may display error messages such as “manifest is missing or unreadable.” Additionally, users might notice the complete disappearance of their installed extensions, indicating possible modifications or damage to Chrome’s configuration.

Scenario Summary:

An attempt was made to install a program by running an executable file (e.g., “setup.exe”).
The execution appeared to have no immediate effect.
Upon subsequent Chrome launches, error messages about missing or unreadable manifest files appeared.
All previously installed extensions were no longer available.
Reinstalling Chrome and running antivirus scans with Windows Defender yielded no threats.

Potential Causes:

Running unknown or suspicious executables can inadvertently modify Chrome’s configuration files or related system files. These changes might include:

Deletion or corruption of Chrome extension manifest files.
Alterations to Chrome’s profile or preferences.
Installation of malware or unwanted software (even if not detected by antivirus).

Steps to Diagnose and Fix the Issue:

Backup Your Data
Before making changes, back up your Chrome profile data to avoid losing bookmarks, passwords, and other settings. Chrome stores this data in the user profile directory.
Verify Chrome’s Extension Directory
Navigate to your Chrome extensions folder, typically located at:
C:\Users\<YourUsername>\AppData\Local\Google\Chrome\User Data\Default\Extensions
Check for missing or corrupted manifest files or folders related to your previous extensions.
Reinstall Extensions Manually
If extensions are missing, consider reinstalling them from the Chrome Web Store.
To restore personalized settings, re-import bookmarks and passwords if necessary.
Reset Chrome Settings
Open Chrome and go to Settings > Advanced > Reset and clean up > Restore settings to their original defaults.
Confirm the reset to remove potentially malicious or corrupt settings.
Use Chrome Cleanup Tool
Chrome