Performance Diagnostics
Identifies CPU, memory, disk, and network bottlenecks with specific fix recommendations. This safe diagnostics & reporting repair typically completes in about 1 minute and runs with administrator privileges. It can also run as part of the Fix All automated repair chain. RescuePC automates the entire process — no technical knowledge required.
Main Troubleshooting Guide
How to Fix Slow Computer →Complete symptoms, causes, and step-by-step solutions
1 min
Estimated Time
low
Risk Level
No
Restart Needed
Yes
Fix All Safe
Fix This Automatically
RescuePC runs "Performance Diagnostics" with one click — no technical knowledge needed.
Common Symptoms
- ⚠Need system health report
- ⚠Troubleshooting information needed
- ⚠Performance analysis required
- ⚠System inventory needed
How to Fix
- 1
Open RescuePC Toolkit (or download from rescuepcrepairs.com/download)
- 2
Navigate to the Diagnostics tab
- 3
Click "Performance Diagnostics"
- 4
Accept the UAC prompt to run with administrator privileges
- 5
Wait approximately 1 minute for completion
- 6
No restart needed — the fix takes effect immediately
- 7
Manual alternative: Open Windows Performance Monitor or run system diagnostics from Command Prompt.
What This Repair Actually Runs
Extracted from diagnose_performance.ps1 — the signed script this repair executes. This is the real work it performs on your PC, not a marketing summary.
Windows services it manages
- wuauserv (Windows Update)
- BITS (Background Intelligent Transfer)
- CryptSvc (Cryptographic Services)
- Dnscache (DNS Client)
- Dhcp (DHCP Client)
- Winmgmt (Windows Management Instrumentation)
- WSearch (Windows Search)
- dmwappushservice (Device Management WAP Push)
Every run writes a timestamped log you can review or attach to a ticket. Safety class and Fix All eligibility are enforced by the signed pack manifest (SOP-76).
Frequently Asked Questions
What does "Performance Diagnostics" do?▼
Is "Performance Diagnostics" safe to run?▼
How long does "Performance Diagnostics" take?▼
Can I run "Performance Diagnostics" automatically with Fix All?▼
Do I need administrator access to run "Performance Diagnostics"?▼
Related Repairs
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Enterprise Evidence Pack
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DNS / NRPT Health Check
Diagnoses split DNS, corporate suffix rules, and internal name resolution failures
Ready to Fix Your PC?
RescuePC Toolkit includes 109+ one-click repairs for Windows 10 & 11. Download now and fix "Performance Diagnostics" in under 1 minute.
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