collect2.exe: fatal error: cannot find 'ld'

CAN SOMEONE PLEASE HELP ME ASAP! I NEED HELP WITH MY COMPILATION OF SKETCH. I HAVE RE-INSTALLED THE ARDUINO IDE, BUT STILL THE SAME PROBLEM OCCUR.
IT STATES: collect2.exe: fatal error: cannot find 'ld’

HERE IS MY CODE:
#define BLYNK_PRINT DebugSerial
// You could use a spare Hardware Serial on boards that have it (like Mega)

#include <SoftwareSerial.h>
SoftwareSerial DebugSerial(2, 3); // RX, TX

#include <Arduino.h>
#include <Keypad.h>
#include <Keypad.h>
#include <BlynkSimpleStream.h>
#include <SimpleTimer.h>
int ledPin = 13; //Red
int ledPin2 = 12; //Green
int ledPin3 = 11; //Red
int ledPin4 = 10; //Green
int ledPin5 = 9; //Red
int ledPin6 = 8; //Green
int ledPin7 = 7; //Red
int ledPin8 = 6; //Green
int buzzPin = 4;
int inputPin = 2; // choose the input pin (for PIR sensor)
int inputPin2 = 3; // choose the input pin (for PIR sensor)
int pirState = 0; // we start, assuming no motion detected
int val = 0; // variable for reading the pin status
bool buzz = false;

//---------------------------------------------------------------------------------------//

#include <BlynkSimpleStream.h>
SimpleTimer timer;

// You should get Auth Token in the Blynk App.
// Go to the Project Settings (nut icon).
char auth = “cdee5c19433143638b64809d2bfa187c”;

//Attach termnal widget
WidgetTerminal terminal(V1);

void setup()
{
// Debug console
DebugSerial.begin(9600);

// Blynk will work through Serial
// Do not read or write this serial manually in your sketch
Serial.begin(9600);
Blynk.begin(Serial, auth);

pinMode(ledPin, OUTPUT); // declare LED as output
pinMode(ledPin2, OUTPUT);
pinMode(ledPin3, OUTPUT);
pinMode(ledPin4, OUTPUT);
pinMode(ledPin5, OUTPUT); // declare LED as output
pinMode(ledPin6, OUTPUT);
pinMode(ledPin7, OUTPUT);
pinMode(ledPin8, OUTPUT);
pinMode(inputPin, INPUT); // declare sensor as input
pinMode(inputPin2, INPUT); // declare sensor as input
pinMode(buzzPin, OUTPUT); //declare buzzer as output

//keypad listener//
/keypad.addEventListener(keypadEvent);/

timer.setInterval(100, activate);
}

void loop()
{
Blynk.run();
timer.run();

}

BLYNK_WRITE(V2) {
int x = param.asInt();
if (x == 1) {
pirState = 1;
buzz = true;
Blynk.notify(“System activate”);
digitalWrite(ledPin2, HIGH);
digitalWrite(ledPin4, HIGH);
digitalWrite(ledPin6, HIGH);
digitalWrite(ledPin8, HIGH);
noTone(buzzPin);
activate();
} else {
pirState = 0;
buzz = false;
digitalWrite(ledPin, LOW);
digitalWrite(ledPin2, HIGH);
digitalWrite(ledPin3, LOW);
digitalWrite(ledPin4, HIGH);
digitalWrite(ledPin5, LOW);
digitalWrite(ledPin6, LOW);
digitalWrite(ledPin7, HIGH);
digitalWrite(ledPin8, LOW);
digitalWrite(inputPin, LOW);
digitalWrite(inputPin2, LOW);
noTone(buzzPin);
Blynk.notify(“System deactivated”);
}
}

void activate() {
// read input value
val = digitalRead(inputPin);
val = digitalRead(inputPin2);
if ((val == HIGH) && (pirState == 1) && (buzz == true)) { // check if the input is HIGH
//keypad.getKey();//
digitalWrite(ledPin, HIGH); // turn LED ON
digitalWrite(ledPin2, LOW);
digitalWrite(ledPin3, HIGH); // turn LED ON
digitalWrite(ledPin4, LOW);
digitalWrite(ledPin5, HIGH); // turn LED ON
digitalWrite(ledPin6, LOW);
digitalWrite(ledPin7, HIGH); // turn LED ON
digitalWrite(ledPin8, LOW);
digitalWrite(buzzPin, HIGH);

Blynk.notify(“Motion detected!”);
Blynk.email(“smarthomegateway.97b@gmail.com”, “INTRUDER ALERT!”, “SOMEONE IS TRYING TO BREAK IN!”);
terminal.println(“Motion detected, please enter password to deactivate the alarm”);
delay(10000);
terminal.flush();
}
}

BLYNK_WRITE(V1) {
if (String(“123”) == param.asStr()) {
val = LOW;
digitalWrite(ledPin, LOW);
digitalWrite(ledPin2, HIGH);
digitalWrite(ledPin3, LOW);
digitalWrite(ledPin4, HIGH);
digitalWrite(ledPin5, LOW);
digitalWrite(ledPin6, HIGH);
digitalWrite(ledPin7, LOW);
digitalWrite(ledPin8, HIGH);
noTone(buzzPin);
terminal.println(“Alarm off!”);
} else {
terminal.println(“Password invalid!”);
terminal.println(“Please retry”);
delay(1000);
}
terminal.flush();
}

PLEASE HELP!

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Sounds like a corrupted install. On my Win8 system, ld (ld.exe) can be found in C:\Program Files (x86)\Arduino\hardware\tools\avr\avr\bin

Did it work before?

I have the same problem. Kept on uninstalling and reinstalling and there was no solution. Quit my antivirus, same problem. I don’t know what’s wrong. Hope someone could help.

//Tutorial: https://www.youtube.com/watch?v=kmf8ZfWdGU4

#include <IRremote.h>
#include <EEPROM.h>
#define SAMPLE_TIME 2000;  //The time between each EEPROM write function c

IRrecv receiver(2); // receiver is connected to pin2
IRsend sender;
decode_results results;

unsigned long timer;
float conv_coeff = 0.0; //coefficient for converting 0-1300 to 0-5
long repetitions;
long count;
unsigned int durations[100];
void writenumber();
void (*reset)(void) = 0;
int address=0;

void setup() {
  Serial.begin(9600);
  conv_coeff = 5.0 / 1400.0;
  timer = millis();
  receiver.enableIRIn(); // start receiving signals
}

void loop() {

  // check if a decoded infrared signal is available
  if (receiver.decode(&results)) {
    int address = 0; //EEPROM address counter
    Serial.println(results.value, HEX);
    Serial.print(results.rawlen - 1);
    for (int i = 1; i < results.rawlen; i++) {
      unsigned int number = results.rawbuf[i] * USECPERTICK;
      Serial.print(",");
      Serial.print(number);
    }
    Serial.print("");
    writenumber();
    timer = millis();
    receiver.resume();
  }
  

}



void writenumber()
{
  for (int i = 1; i < results.rawlen; i++) {
    int address = 0;
    unsigned int number = results.rawbuf[i] * USECPERTICK;
    byte value = number * conv_coeff;
    EEPROM.write(address, value);
    Serial.print("sensor value stored at address ");
    Serial.println(address);

    address++; //increment address counter
    if (address == EEPROM.length())
    {
      address = 0;
    }

  }
}
Arduino: 1.8.5 (Windows 10), Board: "Arduino/Genuino Uno"

Archiving built core (caching) in: C:\Users\moo\AppData\Local\Temp\arduino_cache_590339\core\core_arduino_avr_uno_ad498f47f274213150f9913632d09114.a
collect2.exe: fatal error: cannot find 'ld'

compilation terminated.

exit status 1
Error compiling for board Arduino/Genuino Uno.

This report would have more information with
"Show verbose output during compilation"
option enabled in File -> Preferences.

Here's my error code. It shows the same thing no matter what code I put in, including the built-in examples.

chadmoo96:

Arduino: 1.8.5 (Windows 10), Board: "Arduino/Genuino Uno"

Archiving built core (caching) in: C:\Users\moo\AppData\Local\Temp\arduino_cache_590339\core\core_arduino_avr_uno_ad498f47f274213150f9913632d09114.a
collect2.exe: fatal error: cannot find 'ld'

compilation terminated.

exit status 1
Error compiling for board Arduino/Genuino Uno.

This report would have more information with
"Show verbose output during compilation"
option enabled in File -> Preferences.




Here's my error code. It shows the same thing no matter what code I put in, including the built-in examples.

Reply #2 provides some info where ld.exe should be.