Can someone help me with this please? FYI:I'm new here

COM1 not found, or may be busy.
Select serial port [ COM3 ]: COM3
Access is denied.
0 file(s) copied.
Connecting device at COM3 to blynk-cloud.com:8442
‘com2tcp’ is not recognized as an internal or external command,
operable program or batch file.
What should i do?

It appears you are using the USB Serial Link?

First off, you can NOT use the Serial monitor or any Serial.Print() commands on the same port at the same time as running the link.

http://help.blynk.cc/how-to-connect-different-hardware-with-blynk/arduino/usb-serial

Second issue I see… it looks like you are trying an older SSL sketch… but that port (8442) has been depreciated, Use port 433 now (for Cloud).

Arduino: 1.8.8 (Windows 10), Board: “Arduino/Genuino Uno”

Sketch uses 9224 bytes (28%) of program storage space. Maximum is 32256 bytes.
Global variables use 395 bytes (19%) of dynamic memory, leaving 1653 bytes for local variables. Maximum is 2048 bytes.
avrdude: ser_open(): can’t open device “\.\COM3”: The system cannot find the file specified.

Problem uploading to board. See http://www.arduino.cc/en/Guide/Troubleshooting#upload for suggestions.
Invalid library found in C:\Users\DELL\Documents\Arduino\libraries\Arduino_Serial_USB: no headers files (.h) found in C:\Users\DELL\Documents\Arduino\libraries\Arduino_Serial_USB
Invalid library found in C:\Users\DELL\Documents\Arduino\libraries\Arduino_Serial_USB: no headers files (.h) found in C:\Users\DELL\Documents\Arduino\libraries\Arduino_Serial_USB

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

What should i do with this?

I’m almost done but there is one last problem my blynk app isn’t online
example: Arduino uno + blynk wasn’t online yet