fntcache.dll - Analyze and How to Fix Errors

★★★★☆ Verified File (27.08.2026)

⚠️ Important Notice: Optimize your system performance with fntcache.dll repair tools. Fix font cache errors quickly and easily. Manually replacing system libraries can brick future Windows updates or cause critical system failures.

Architecture:	other	️ Not detected
Antivirus scan	✅ Clean	No viruses detected.
Digital signature	🟡 Not signed	Signature missing. The file may have been modified.
Hash Integrity	ℹ️ Unverified	File Hash protection is missing.
File size	13.1 kb.	13392 bytes.

Hashes:

MD5: 0739efc89110ba0b5a4ee29b849ab6d6
SHA-1: a68160947d7cfdc0a3693f6d20c494ac63206abd
SHA-256: 7c32b9df2752dc138d5a1cb6f947753bbbb360eb2aa9dc182186a2ac50c0a13b
SHA-512: d8d97df886816b72d9aa75849cf6d948b394994380a6f702958226ad03133f551bad056c6dfbdb570a38875fb2b03a60a925f1708fa246ba80f19c4845391e87

File Description

The fntcache.dll (Windows Font Cache Service) is a legitimate Microsoft system file. It acts as a dynamic-link library responsible for managing and optimizing application performance by caching commonly used font data.

Standard File Location

The authentic file is strictly located in the Windows system directory:

C:\Windows\System32\FntCache.dll

(Note: Any file named fntcache.dll located outside of the System32 directory is likely malware or a virus disguised as a system file.)

How to Fix fntcache.dll Errors Without Downloading

If you are experiencing crashes, missing file alerts, or errors related to fntcache.dll, you can repair it natively using built-in Windows utilities.

Method 1: Rebuild the Windows Font Cache

Often, the error is caused by a corrupted font cache database file (FNTCACHE.DAT) rather than the DLL itself. Forcing Windows to rebuild this file fixes most related errors.

Press Windows Key + R, type services.msc, and press Enter.
Scroll down to find the Windows Font Cache Service.
Right-click it and select Stop.
Press Windows Key + R again, type C:\Windows\System32, and press Enter.
Locate the file named FNTCACHE.DAT (Make sure it is the .DAT file, not the .dll file).
Right-click FNTCACHE.DAT and click Delete.
Restart your computer. Windows will automatically regenerate a fresh, uncorrupted version of this data on startup.

Method 2: System File Checker (SFC)

If the actual fntcache.dll file is corrupted or missing, the Windows System File Checker will automatically restore the official version from the operating system's local recovery image.

Press the Windows Key, type cmd, right-click Command Prompt, and select Run as administrator.
Type the following command and press Enter:
```
sfc /scannow
```
Wait for the verification phase to reach 100%. If errors are found, Windows will instantly repair them using cached system files.
Restart your machine.

Method 3: Deployment Image Servicing and Management (DISM)

If the SFC tool fails to fix the file because the local recovery payload itself is damaged, run DISM to pull healthy copies natively via Windows Update.

Open Command Prompt as an administrator.

Execute this command:

DISM /Online /Cleanup-Image /RestoreHealth

Once completed, run the sfc /scannow command one more time, then reboot your PC.

If the issue persists, please let me know:

What is the exact error message or error code you are seeing?
Does this error happen during Windows startup or when opening a specific application (like Adobe or Office)?

I can help you pinpoint the precise root cause based on these details.

📊 Diagnostics Tool: Verify Your `fntcache.dll` File

Worried that the file on your PC has been modified by malware? Drop it into the form below. Our script will verify its file size, cryptographic hash (MD5/SHA-1), and check for a valid Microsoft digital signature.

Other versions:
️ fntcache.dll 10.0.19041.5794 64-bit (x64) | ️ fntcache.dll 6.2.9200.25110 32-bit (x86)
Similar files:
️fntcache.dll.mui | ️invalidatefntcache.exe