Using Delta Executor to run Roblox scripts can be smooth—until one day it just stops working. Whether it won’t inject, crashes midway, or simply doesn’t open at all, these issues are more common than you think. The good news? Most of them can be solved in minutes, without technical skills.

1. Update First, Always

It sounds basic, but this step matters most. Roblox updates often break compatibility with exploit tools like Delta. If you're running an outdated version, you're asking for errors.

Solution:

  • Visit the official Delta Executor site or Discord
  • Download the latest patch or version
  • Delete the old one before installing the new one

2. Disable Antivirus (Temporarily)

Many users don’t realize this: your antivirus treats script injectors as threats by default. Delta isn’t malware, but since it hooks into another program, your security tools don’t like it.

What to do:

  • Turn off Windows Defender temporarily
  • Add the Delta folder to your antivirus exception list
  • Always unzip the downloaded file before using it

Important: Never disable antivirus unless you trust the source of your download.

3. Right-Click → Run as Administrator

Sometimes, your computer is simply blocking permissions. Running Delta without admin rights often causes failed injection or nothing happening at all.

Quick fix:

  • Right-click the Delta Executor file
  • Choose Run as Administrator

This alone fixes the issue for many users.

4. Clear Broken Files or Cache

Delta saves some temporary files, and they can become corrupted. That’s often why it suddenly stops opening, or hangs on startup.

Steps:

  1. Press Win + R
  2. Type %temp% and hit enter
  3. Delete all files in the folder
  4. Restart your PC

For deeper cleanup, also check AppData > Local and remove any leftover Delta folders.

5. Roblox Might Be the Problem

Sometimes it’s not Delta that’s broken—it’s Roblox. After a new update, Roblox may block certain executors until they catch up.

What to do:

  • Wait for Delta’s developers to release an update
  • Check their Discord or website for patch status
  • Don’t try outdated scripts during this time—it can trigger bans