Computer Optimization for Work Efficiency

My computer is currently experiencing slow performance, which is affecting my productivity. I have not yet attempted any solutions, so I'm looking for a professional who can clean up my computer and make it run smoothly again. I also use the computer for Second Life. It is a gaming computer but is now struggling to even meet the needs of my work tasks.

Ideal Skills and Experience:
- Expertise in computer diagnostics and repair
- Proficiency in removing unnecessary files and software
- Experience in optimizing systems for work-related tasks
- Knowledge of enhancing speed and performance
identifying and removing malware etc.