A computer that suddenly slows down usually has a specific trigger, such as a new background app, a heavy update, a nearly full drive, malware, or overheating. Common culprits include too many startup programs, insufficient RAM, a drive above roughly 85–90% capacity, and aging hardware. Quick fixes include trimming startup apps, closing resource-hungry processes, running a malware scan, clearing storage, and monthly maintenance to keep performance steady. Read the full guide at https://onlineconsulting.com.au/blog/computer-running-slow-causes-and-how-to-fix/ .