How to Fix File Explorer Slow on Windows 11

File Explorer is the backbone of day-to-day file management in Windows 11, so when it starts loading slowly, freezing, or lagging on folder navigation, it disrupts everything. The slowness usually has one of a handful of causes: a stuck process, a bloated history cache, a competing program hogging memory, or corrupted default settings.

The fixes below go from fastest to most thorough. Start with restarting the process — that alone resolves most cases. If the This PC icon is missing from your desktop as well, the issue may be broader and worth addressing separately.

Method	What It Does	When to Use It
Restart File Explorer	Kills and restarts the explorer.exe process	Always try this first — fixes most temporary freezes
Close unused programs	Frees RAM being consumed by other apps	When multiple large programs are open at the same time
Clear history cache	Removes the list of recently accessed files and folders	When File Explorer is slow to open or display the home screen
Run a virus scan	Detects malware that may be consuming system resources	When the slowness is sudden or unexplained
Restore to defaults	Resets all folder view and option settings	Last resort after other methods fail

Fix 1 — Restart File Explorer via Task Manager

Restarting the Windows Explorer process clears any temporary glitch without requiring a full system reboot.

1. Press Ctrl+Shift+Esc to open Task Manager, then click the Processes tab.

2. Find Windows Explorer in the list and right-click it.

3. Select Restart. The taskbar and desktop will briefly disappear and return. Open File Explorer and test whether it is back to normal speed.

Fix 2 — Clear File Explorer History

File Explorer stores a running log of recently opened files and folders. Over time this cache can grow large enough to slow down the home screen and quick access panel noticeably.

1. Open File Explorer.

2. Click the View tab in the toolbar.

3. Click Options on the right side of the toolbar.

4. In the Folder Options window, look for the Privacy section on the General tab.

5. Click Clear next to “Clear File Explorer history,” then click OK.

Fix 3 — Close Memory-Heavy Programs

Running too many programs at once eats into the RAM that File Explorer needs to display folder contents quickly. Open Task Manager (Ctrl+Shift+Esc) and look at the Memory column under the Processes tab. Close any programs consuming large amounts of memory that you do not currently need. If MsMpEng.exe is showing high CPU usage alongside File Explorer slowness, that process is worth investigating separately.

Fix 4 — Run a Virus Scan

Malware infections can silently consume system resources and slow down File Explorer. Open Windows Security, go to Virus & threat protection, and run a quick or full scan. If a threat is found and removed, restart the PC and test File Explorer again.

Fix 5 — Restore File Explorer to Default Settings

If none of the above fixes work, resetting File Explorer to its factory defaults clears any corrupted view preferences or folder settings that might be causing the slowness.

1. Open File Explorer.

2. Click the View tab.

3. Click Options.

4. In the Folder Options window, click Restore Defaults.

5. Click OK to apply. Reopen File Explorer and check whether the performance issue is resolved.