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How to Fix the "RunDLL - LoginDA.dll Not Found" Error

Here's the solution:

1. Restart Your Computer

Sometimes, this error appears due to a temporary glitch. Restarting might make it go away.

2. Check for Windows Updates

  • Go to Settings > Update & Security > Windows Update.
  • Click Check for updates and install any available updates.
  • Restart your PC after updating.
Why? Updates often fix missing or corrupted system files.

3. Run a Full Virus Scan

  • Open Windows Security (search for it in the Start menu).
  • Go to Virus & threat protection > Quick scan (or Full scan for a deeper check).
  • Remove any detected threats.
Why? Malware can delete or damage important system files like .dll files.

4. Disable the Problematic Startup Program

  • Press Ctrl + Shift + Esc to open Task Manager.
  • Go to the Startup tab.
  • Look for any suspicious or unfamiliar programs.
  • Right-click and select Disable.
  • Restart your PC.
Why? Some programs try to load missing files at startup, causing this error.

5. Restore Your System to a Previous Point

  • Type "Create a restore point" in the Windows search bar and open it.
  • Click System Restore and choose a restore point from before the error appeared.
  • Follow the on-screen instructions.
Why? This undoes recent changes that might have caused the issue.

6. Reinstall the Affected Program (If Known)

  • If you know which program is causing this (e.g., a recently installed app), uninstall it:
  • Go to Settings > Apps > Apps & features.
  • Find the program, click Uninstall, then reinstall it.
Why? A fresh install can replace missing or damaged files.

What Causes This Error?

  • A program or Windows process is trying to load a file (LoginDA.dll) that’s missing or corrupted.
  • It could be due to malware, a faulty program update, or accidental file deletion.

How to Prevent It in the Future

  • Keep Windows and software updated.
  • Avoid downloading files from untrusted websites.
  • Use antivirus software regularly.
If the error still appears after trying these steps, you might need professional help to check for deeper system issues.

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