Unable to Complete Task Excuse Letter, Free Templates and Examples -Letterspoint

Unable to Complete Task

Dear [Supervisor's Name],

I am writing to explain the delay in completing the [Task/Project Name]. Unexpected technical difficulties slowed down the progress significantly. I understand the importance of timely completion and am taking every measure to resolve the issues. 

I apologize for any disruption this may cause and assure you that I am committed to delivering the task as soon as possible.
  
Best regards,
[Your Name]