You press the power button, go make coffee, come back, and the machine is still lurching to life with a dozen little icons popping into the tray one by one. That lag is not your PC dying. Most of the time it is a crowd of programs you never asked to launch, all fighting to open the second you log in. Clearing them out is free, it takes about five minutes, and it is the first thing I do on any Windows 11 machine that boots slow.
Why startup programs slow your boot
Every program set to run at startup wants a piece of the machine at the exact moment you can least afford it. The disk is already busy loading Windows. The CPU is already juggling drivers and services. Then Spotify, a game launcher, three updaters, and a chat app all wake up and elbow into the same queue. Boot time stretches, and the desktop feels frozen for a while even after it appears.
A slow computer is often caused by too many startup programs, and it is the cheapest slowdown to fix because you are not removing the apps, only telling them to wait until you actually open them. Nothing gets deleted. Spotify still works. It just stops ambushing you at the login screen.
This is one branch of a bigger diagnostic tree. If trimming startup does not fix a genuinely sluggish machine, the cause is usually elsewhere, and the full order to work through lives in how to fix a slow computer. Start here, though. It is the highest-value five minutes on the list.
Disabling startup programs in Task Manager
Open Task Manager the fast way and get to work. Startup programs are disabled in Task Manager, and it is the tool that shows you the one number that matters, which is how much each app is actually costing you.
- Press Ctrl+Shift+Esc. Task Manager opens straight to itself, no menus to hunt through.
- In the left sidebar, click Startup apps. You get a list of everything that launches at login, with a Publisher, a Status, and a Startup impact column.
- Click the Startup impact heading to sort. The heavy hitters float to the top.
- Select an app you recognize and do not need at boot, then click Disable in the top corner. Or right-click it and choose Disable. The Status flips to Disabled and that is the whole action.
- Repeat for each offender. Reboot when you are done and feel the difference.
There is a second door if you prefer toggles to a table. It shows the same impact labels.
Ctrl + Shift + Esc open Task Manager, then click Startup apps
Settings > Apps > Startup the same list as on/off switches
Win + R then shell:startup opens your personal Startup folder of shortcutsThat last one is worth knowing. The shell:startup folder holds shortcuts that Windows launches at login, and if some program keeps coming back after you disable it, a stray shortcut in that folder is often why. Delete the shortcut there and the app stops auto-starting. You are only removing a shortcut, not the program.
Reading the startup impact column
What does “High” actually mean? Windows watches how much CPU time and disk activity each app burns during startup and sorts the result into plain labels. You do not need to interpret milliseconds. You just need to know which bucket an app fell into.
- High. The app leaned hard on your CPU or disk while booting. These are your first targets. Kill the high-impact apps you do not need at login and the boot gets noticeably quicker.
- Medium. A moderate cost. Disable if you do not use the app early.
- Low. Barely a blip. Leave these unless you have a reason.
- Not measured. Windows has not clocked it yet, usually because it was installed recently. Check back after a couple of reboots and it will have a real label.
The move is simple. Sort by impact, start at the top, and work down only as far as the apps you honestly do not need the moment you log in. One High-impact game launcher off the list often does more for your boot than disabling five Low ones.
What is safe to disable and what to leave
Here is where people get nervous and freeze, so let me draw the line clearly. You will not break Windows from this screen. The genuinely critical stuff, your security service and core system pieces, mostly does not even appear in the Startup apps list, so you cannot switch it off here by accident. What you see is largely third-party helpers and convenience apps.
Safe to disable for almost everyone:
- Media and chat apps: Spotify, Discord, Slack, Zoom, Skype, Teams for personal use.
- Game launchers: Steam, Epic Games Launcher, EA, Battle.net. They open in seconds when you actually want to play.
- Updater helpers: Adobe Creative Cloud and Acrobat updater, Apple/iTunes helpers, Java updater. The apps still update when you open them.
- The graphics vendor tray icon (the NVIDIA or AMD control-panel helper). Your display driver still loads. Only the little tray shortcut goes away.
- Manufacturer bloat from HP, Dell, Lenovo, and Asus that you have never once opened.
Leave these alone unless you know exactly why:
- Your antivirus or security agent, if a third-party one shows up here.
- Audio driver helpers like Realtek Audio Console or Waves MaxxAudio, if you rely on their sound features.
- Touchpad and precision-pointer drivers on a laptop. Disabling these can cost you gestures or the touchpad itself.
- OneDrive or Dropbox, if you depend on files syncing the moment you sit down. Disable them only if you are fine syncing manually.
- Anything published by Microsoft that you do not recognize. Look it up before you touch it.
The reversible truth that should relax you: if you disable something and a feature breaks, come back to this same screen and flip it to Enabled again. Nothing here is permanent. And if the machine is slow for reasons that have nothing to do with startup, the usual suspects are a stuffed drive or something malicious running in the background. Clear space with free up disk space on Windows, and if the slowdown smells wrong, run through how to remove malware slowing your computer.
The macOS equivalent: Login Items
Macs do the exact same thing under a different name. A slow Mac can be caused by login items, the apps that launch when you sign in, plus a second layer of background helpers that run quietly whether the app is open or not. Both live in one place.
- Open System Settings from the Apple menu.
- Go to General > Login Items & Extensions.
- Under Open at Login, select any app you do not need launching at sign-in and click the minus button to remove it.
- Scroll to Allow in the Background and switch off the helpers for apps you rarely use. Updaters and sync agents love to sit here.
One honest caveat. Some background items are managed by their parent app and will switch themselves back on the next time you open that app. That is normal. If one keeps returning, the real off switch is inside the app’s own preferences, not this list.
The repair ticket
- Symptom: slow boot, and the desktop stays unresponsive for a while after it appears.
- Cause: too many programs set to launch at login, all competing for the disk and CPU while Windows is still loading.
- Fix: press Ctrl+Shift+Esc, open Startup apps, sort by Startup impact, and disable the High-impact apps you do not need at login while leaving security, audio, and touchpad drivers alone. On a Mac, do the same in System Settings > General > Login Items & Extensions. Reboot, and re-enable anything you miss. If it is still slow, the problem is not startup, so work down the full slow-computer checklist next.