diff --git a/packages/basic.gblib/services/DebuggerService.ts b/packages/basic.gblib/services/DebuggerService.ts
index 290f77f7..a34b6fdf 100644
--- a/packages/basic.gblib/services/DebuggerService.ts
+++ b/packages/basic.gblib/services/DebuggerService.ts
@@ -89,9 +89,7 @@ export class DebuggerService {
    */
   maxLines: number = 2000;
 
-  debugMap = {};
   conversationsMap = {};
-  scopeMap = {};
   watermarkMap = {};
 
   /**
@@ -108,54 +106,47 @@ export class DebuggerService {
       'Debug Web Automation',
       false
     );
+
+    const botId = min.botId;
+
+    GBServer.globals.debuggers[botId] = {};
+    GBServer.globals.debuggers[botId].state = 1;
+    GBServer.globals.debuggers[botId].breaks = [];
+
   }
 
   private client;
 
-  public async setBreakpoint({ botId, botApiKey, line }) {
+  public async breakpoint({ botId, botApiKey, line }) {
 
-    const client = GBServer.globals.debuggers[botId];
+    GBServer.globals.debuggers[botId].breaks.push(Number.parseInt(line));
 
-    async function mainScript({ Debugger }) {
-      return new Promise((fulfill, reject) => {
-        Debugger.scriptParsed((params) => {
-          const { scriptId, url } = params;
-          fulfill(scriptId);
-        });
-      });
-    }
-
-    const scriptId = await mainScript(client);
-    const { breakpointId } = await await client.Debugger.setBreakpoint({
-      location: {
-        scriptId,
-        lineNumber: line - 1
-      }
-    });
   }
 
   public async removeBreakPoint({ botId, botApiKey, line }) {
+    const client = GBServer.globals.debuggers[botId].client;
+    
 
   }
 
   public async continueRun({ botId, botApiKey, force }) {
-    const client = GBServer.globals.debuggers[botId];
+    const client = GBServer.globals.debuggers[botId].client;
     client.Debugger.resume();
   }
 
   public async stop({ botId, botApiKey, force }) {
-    const client = GBServer.globals.debuggers[botId];
+    const client = GBServer.globals.debuggers[botId].client;
     client.close();
   }
 
   public async stepOver({ botId, botApiKey }) {
-    const client = GBServer.globals.debuggers[botId];
+    const client = GBServer.globals.debuggers[botId].client;
     client.stepOver();
   }
 
   public async getExecutionContext({ botId, botApiKey, force }) {
 
-    const client = GBServer.globals.debuggers[botId];
+    const client = GBServer.globals.debuggers[botId].client;
     const conversationId = this.conversationsMap[botId];
 
 
@@ -175,12 +166,17 @@ export class DebuggerService {
         });
       }
     }
-    return { state:this.debugMap[botId].state, messages, scope: this.scopeMap[botId] };
+
+    return { state: GBServer.globals.debuggers[botId].state, messages, scope: GBServer.globals.debuggers[botId].scope };
   }
 
   public async run({ botId, botApiKey, scriptName }) {
+    
+    GBLog.info(`BASIC: Running ${botId} in DEBUG mode.`);
+
+
+    GBServer.globals.debuggers[botId].state = 1;
 
-    this.debugMap[botId] = { state: 1 };
 
     let min: GBMinInstance = GBServer.globals.minInstances.filter(
       p => p.instance.botId === botId
@@ -210,28 +206,5 @@ export class DebuggerService {
         }
       }
     });
-
-    // Setup debugger.
-
-    const client = GBServer.globals.debuggers[botId];
-
-    client.Debugger.paused(({ callFrames, reason, hitBreakpoints }) => {
-
-      const frame = callFrames[0];
-      if (hitBreakpoints.length > 1) {
-        GBLog.info(`.gbdialog break at line ${frame.location.lineNumber + 1}`); // (zero-based)
-
-        const scope = `${frame.scopeChain[0].name} ${frame.scopeChain[0].object}`;
-
-        this.scopeMap[botId] = scope;
-      }
-      else if (reason === ''){
-        GBLog.info(`.gbdialog ${reason} at line ${frame.location.lineNumber + 1}`); // (zero-based)
-      }
-    });
-
-    await client.Runtime.runIfWaitingForDebugger();
-    await client.Debugger.enable();
-    await client.Debugger.setPauseOnExceptions('all');
   }
 }
\ No newline at end of file
diff --git a/packages/basic.gblib/services/GBVMService.ts b/packages/basic.gblib/services/GBVMService.ts
index 86174b35..843ac5c6 100644
--- a/packages/basic.gblib/services/GBVMService.ts
+++ b/packages/basic.gblib/services/GBVMService.ts
@@ -770,7 +770,7 @@ export class GBVMService extends GBService {
     // Creates a class DialogKeywords which is the *this* pointer
     // in BASIC.
 
-    const user = step ? await min.userProfile.get(step.context, {}) : null;
+    const user = step   ? await min.userProfile.get(step.context, {}) : null;
 
     const sandbox = { user: user.systemUser };
 
@@ -826,9 +826,9 @@ export class GBVMService extends GBService {
       const runnerPath = urlJoin(process.cwd(), 'dist', 'packages', 'basic.gblib', 'services', 'vm2-process', 'vm2ProcessRunner.js');
 
       try {
-        const { run, drain } = createVm2Pool({
-          min: 1,
-          max: 1,
+        const { run } = createVm2Pool({
+          min: 0,
+          max: 0,
           debuggerPort: 9222,
           botId: botId,
           cpu: 100,
@@ -840,8 +840,7 @@ export class GBVMService extends GBService {
 
         const port = run.port;
         const result = await run(code, { filename: scriptPath, sandbox: sandbox });
-
-        drain();
+        
         return result;
       } catch (error) {
         throw new Error(`BASIC RUNTIME ERR: ${error.message ? error.message : error}\n Stack:${error.stack}`);
diff --git a/packages/basic.gblib/services/vm2-process/index.ts b/packages/basic.gblib/services/vm2-process/index.ts
index fd2b35db..b8101438 100644
--- a/packages/basic.gblib/services/vm2-process/index.ts
+++ b/packages/basic.gblib/services/vm2-process/index.ts
@@ -1,23 +1,19 @@
 const crypto2 = require('crypto');
-const Fs = require('fs');
-const Path = require('path');
 const { spawn } = require('child_process');
 const CDP = require('chrome-remote-interface');
-const {  } = require('child_process');
-const { dirname } = require('path');
-const { fileURLToPath } = require('url');
+const {} = require('child_process');
 const net = require('net');
 import { GBLog } from 'botlib';
+import { CollectionUtil } from 'pragmatismo-io-framework';
 import { GBServer } from '../../../../src/app';
-const genericPool = require('generic-pool');
 const finalStream = require('final-stream');
 
-const waitUntil = (condition) => {
+const waitUntil = condition => {
   if (condition()) {
     return Promise.resolve();
   }
 
-  return new Promise((resolve) => {
+  return new Promise(resolve => {
     const interval = setInterval(() => {
       if (!condition()) {
         return;
@@ -30,89 +26,141 @@ const waitUntil = (condition) => {
 };
 
 const createVm2Pool = ({ min, max, ...limits }) => {
-  limits = Object.assign({
-    cpu: 100,
-    memory: 2000,
-    time: 4000
-  }, limits);
+  limits = Object.assign(
+    {
+      cpu: 100,
+      memory: 2000,
+      time: 4000
+    },
+    limits
+  );
 
   let limitError = null;
 
   const ref = crypto2.randomBytes(20).toString('hex');
 
-  const kill = (x) => {
+  const kill = x => {
     spawn('sh', ['-c', `pkill -9 -f ${ref}`]);
   };
 
   let stderrCache = '';
-  const factory = {
-    create: function () {
-      
-      const runner = spawn('cpulimit', [
-        '-ql', limits.cpu,
-        '--',
-        'node', `--inspect-brk=${limits.debuggerPort}`, `--experimental-fetch`, `--max-old-space-size=${limits.memory}`, 
-          limits.script
-        , ref
-      ], { cwd: limits.cwd, shell: false });
-
-      runner.stdout.on('data', (data) => {
-        runner.socket = runner.socket || data.toString().trim();
-      });
-
-      runner.stderr.on('data', (data) => {
-        stderrCache = stderrCache + data.toString();
-        if (stderrCache.includes('failed: address already in use'))
-        {
-          limitError = stderrCache;
-        }
-        if (stderrCache.includes('FATAL ERROR: Reached heap limit Allocation failed - JavaScript heap out of memory')) {
-          limitError = 'code execution exceeed allowed memory';
-        }
-      });
-
-      return runner;
-    },
-
-    destroy: function (childProcess) {
-      kill(childProcess);
-    }
-  };
-
-  const pool = genericPool.createPool(factory, { min, max });
 
   const run = async (code, scope) => {
-    const childProcess = await pool.acquire();
+    const childProcess = spawn(
+      'cpulimit',
+      [
+        '-ql',
+        limits.cpu,
+        '--',
+        'node',
+        `--inspect=${limits.debuggerPort}`,
+        `--experimental-fetch`,
+        `--max-old-space-size=${limits.memory}`,
+        limits.script,
+        ref
+      ],
+      { cwd: limits.cwd, shell: false }
+    );
+
+    childProcess.stdout.on('data', data => {
+      childProcess.socket = childProcess.socket || data.toString().trim();
+    });
+
+    childProcess.stderr.on('data', data => {
+      stderrCache = stderrCache + data.toString();
+      if (stderrCache.includes('failed: address already in use')) {
+        limitError = stderrCache;
+        kill(process);
+      }
+      if (stderrCache.includes('FATAL ERROR: Reached heap limit Allocation failed - JavaScript heap out of memory')) {
+        limitError = 'code execution exceeed allowed memory';
+        kill(process);
+      }
+    });
+
+    let socket = null;
 
     await waitUntil(() => childProcess.socket);
+    socket = net.createConnection(childProcess.socket);
+    socket.write(JSON.stringify({ code, scope }) + '\n');
 
-    const socket = net.createConnection(childProcess.socket);
+    // Only attach if called by /debugger/run.
 
-    CDP(async (client) => {
-      const { Debugger, Runtime } = client;
-      try {
-        GBServer.globals.debuggers[scope.botId] = client;
-      } catch (err) {
-        GBLog.error(err);
-      } finally {
-        client.close();
-      }
-    }).on('error', (err) => {
-      console.error(err);
-    });
+    if (GBServer.globals.debuggers[limits.botId]) {
+
+
+      const debug = async () => {
+        return new Promise((resolve, reject) => {
+          CDP(async client => {
+            const { Debugger, Runtime } = client;
+            try {
+              GBServer.globals.debuggers[limits.botId].client = client;
+              await client.Runtime.runIfWaitingForDebugger();
+              await client.Debugger.enable();
+
+              async function mainScript({ Debugger }) {
+                return new Promise((fulfill, reject) => {
+                  Debugger.scriptParsed(params => {
+                    const { scriptId, url } = params;
+                    fulfill(scriptId);
+                  });
+                });
+              }
+
+              await CollectionUtil.asyncForEach(GBServer.globals.debuggers[limits.botId].breaks, async brk => {
+                const scriptId = await mainScript(client);
+                const { breakpointId } = await client.Debugger.setBreakpoint({
+                  location: {
+                    scriptId,
+                    lineNumber: brk
+                  }
+                });
+                GBLog.info(`BASIC break defined ${breakpointId} for ${limits.botId}`);
+              });
+
+              await client.Debugger.paused(({ callFrames, reason, hitBreakpoints }) => {
+                const frame = callFrames[0];
+                if (hitBreakpoints.length > 1) {
+                  GBLog.info(`.gbdialog break at line ${frame.location.lineNumber + 1}`); // (zero-based)
+
+                  const scope = `${frame.scopeChain[0].name} ${frame.scopeChain[0].object}`;
+
+                  GBServer.globals.debuggers[limits.botId].scope = scope;
+                  GBServer.globals.debuggers[limits.botId].state = 2;
+                } else if (reason === '') {
+                  GBLog.info(`.gbdialog ${reason} at line ${frame.location.lineNumber + 1}`); // (zero-based)
+                }
+              });
+
+        
+              resolve(1);
+            } catch (err) {
+              GBLog.error(err);
+              kill(childProcess);
+            }
+          }).on('error', err => {
+            console.error(err);
+            kill(childProcess);
+            reject(err);
+          });
+        });
+      };
+
+      await debug();
+    }
 
     const timer = setTimeout(() => {
       limitError = 'code execution took too long and was killed';
       kill(childProcess);
     }, limits.time);
 
-    socket.write(JSON.stringify({ code, scope }) + '\n');
-
     try {
       let data = await finalStream(socket);
-      
-      data = JSON.parse(data)
 
+      data = JSON.parse(data);
+      if (!data.length) {
+        return null;
+      }
       if (data.error) {
         throw new Error(data.error);
       }
@@ -121,16 +169,13 @@ const createVm2Pool = ({ min, max, ...limits }) => {
     } catch (error) {
       throw new Error(limitError || error);
     } finally {
+      kill(childProcess);
       clearTimeout(timer);
-      pool.destroy(childProcess);
     }
   };
 
   return {
-    run,
-    drain: () => {
-      pool.drain().then(() => pool.clear());
-    }
+    run
   };
 };
 
diff --git a/src/app.ts b/src/app.ts
index c50fbcf6..faaa8cc2 100644
--- a/src/app.ts
+++ b/src/app.ts
@@ -108,6 +108,7 @@ export class GBServer {
     GBServer.globals.minInstances = [];
     GBServer.globals.wwwroot = null;
     GBServer.globals.entryPointDialog = null;
+    GBServer.globals.debuggers = [];
 
     server.use(bodyParser.json());
     server.use(bodyParser.urlencoded({ extended: true }));