How To Fix Unarc.dll Returned An Error Code 14 Access
Here’s a comprehensive guide to fixing the unarc.dll returned an error code 14 error. This error typically appears when extracting large archives (especially game installers like those from FitGirl, DODI, or other repacks) using tools like WinRAR, 7-Zip, or an installer’s built-in decompressor.
Part 2: The Solutions (Step-by-Step)
Follow these steps in order, from the easiest fixes to the more advanced ones.
When all else fails:
- Try installing on a different PC (if available) to confirm your download isn't corrupted.
- Use a virtual machine (VMware or VirtualBox) with 4GB+ RAM to install, then copy the installed game folder back to your main PC.
Error Code 14 is fixable. It's a software conflict, not a death sentence for your PC. By systematically applying the 10 solutions above—especially the page file tweak and administrator extraction—you will successfully install your game or software. how to fix unarc.dll returned an error code 14
Need further help? Leave a comment describing exactly when the error appears (e.g., "at 64.2% installation" or "immediately after clicking setup"). That detail can pinpoint the exact fix.
Option C: Limit RAM Usage During Install
- Close all other programs (Chrome, Discord, Spotify).
- Go to Task Manager (Ctrl+Shift+Esc) → Startup → Disable unnecessary items and restart.
5. Increase Windows paging file
Large unpacking operations need virtual memory. Here’s a comprehensive guide to fixing the unarc
- Go to System Properties → Advanced → Performance → Advanced → Virtual Memory
- Set Custom size to 16384 MB (16 GB) initial and max.
- Restart PC.
5. Increase pagefile size
- Go to Control Panel → System → Advanced System Settings → Performance → Advanced → Virtual memory
- Set custom size: Initial 16384 MB, Max 32768 MB
- Click Set → OK → Restart.
1. Redownload the file (most common fix)
CRC mismatch often means the download was incomplete or corrupted.
- Delete the original archive/setup file.
- Download again from the official source.
- Use a download manager to avoid dropouts.
6. Solution 4: Check File Integrity (Re-download & Verify)
Error Code 14 can appear if the downloaded archive is incomplete or corrupted. Part 2: The Solutions (Step-by-Step) Follow these steps
Step 1: Check file sizes
- Compare your downloaded file size with the source website. If it’s off by even 1MB, re-download.
Step 2: Use a torrent client to re-check
- If you downloaded via torrent, load the
.torrent file back into your client (qBittorrent, uTorrent).
- Right-click → Force Re-check. It will find and redownload only the corrupted parts.
Step 3: Verify hash (MD5/SHA1)
- Repack groups often include
.md5 or .sfv files.
- Use QuickSFV or 7-Zip (right-click → CRC SHA) to verify.
Step 4: Re-download from a different mirror
- Sometimes the server itself has a corrupted copy. Try a different upload host.
When nothing works