Performance & SpeedMedium Risk

Boost Performance

Boost Performance is RescuePC's flagship optimization repair that tackles the root causes of a slow Windows PC. It disables unnecessary startup programs, clears system caches, optimizes Windows services for speed, adjusts visual effects, and reclaims resources from background processes. Unlike manual optimization that requires navigating 6+ different Windows settings panels, this one-click repair applies all performance tweaks in about 3 minutes. It's safe to run on any Windows 10 or 11 machine and is included in the Fix All repair chain.

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Main Troubleshooting Guide

How to Fix Slow Computer →

Complete symptoms, causes, and step-by-step solutions

5 min

Estimated Time

medium

Risk Level

Restart Needed

Fix All Safe

Fix This Automatically

RescuePC runs "Boost Performance" with one click — no technical knowledge needed. A restore point is created first for safety.

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Common Symptoms

⚠Computer takes over a minute to boot up
⚠Programs freeze for 5-10 seconds when launching
⚠Task Manager shows sustained 80-100% CPU or disk usage
⚠Mouse cursor stutters during normal use
⚠Multiple browser tabs cause the system to hang
⚠Background processes consume excessive resources

How to Fix

1
Open Task Manager (Ctrl+Shift+Esc) and sort by CPU/Memory to identify resource hogs
2
Disable unnecessary startup programs: Task Manager > Startup tab > Disable
3
Clean temp files: Run Disk Cleanup (cleanmgr) and select all categories
4
Adjust visual effects: sysdm.cpl > Advanced > Performance Settings > "Adjust for best performance"
5
Disable SysMain (Superfetch): services.msc > SysMain > Disabled
6
Check for malware: Windows Security > Full Scan
7
Or run RescuePC Toolkit's Boost Performance repair to automate all of these in one click

Frequently Asked Questions

What does "Boost Performance" do?▼

Optimizes visual effects, startup programs, and services for speed. It is a one-click repair in the Performance & Speed category that automates the fix so you don't need technical expertise.

Is "Boost Performance" safe to run?▼

This is a medium-risk repair that modifies system settings. RescuePC creates a restore point first. Review the changes before restarting.

How long does "Boost Performance" take?▼

Typically about 5 minutes. No restart is needed.

Can I run "Boost Performance" automatically with Fix All?▼

This repair is not part of the Fix All chain because it may need user input or takes longer than typical automated repairs. Run it individually from the Performance tab.

Do I need administrator access to run "Boost Performance"?▼

Yes — this repair requires administrator privileges because it modifies system-level settings. RescuePC will prompt for elevation via UAC.