How to Fix Error 0x80004005 in Windows
The error “0x80004005” (also known as “E_FAIL” or “Unspecified Error”) is a generic Windows system error occurring during COM object operations. It commonly appears when:
- Installing/updating software (Office, drivers)
- Copying files or accessing network resources
- Running system utilities (Windows Update, Disk Cleanup)
- Accessing the registry or services
Contents
[hide]Step-by-Step Fixes:
Method 1: Repair System Files
1. Open the Command Prompt as an administrator
2. Run these commands:
```
sfc /scannow
DISM /Online /Cleanup-Image /RestoreHealth
```
3. Reboot your PC
Method 2: Reset Registry Permissions
1. Press Win + R, type “regedit”
2. Navigate to:
“HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion”
3. Right-click → Permissions → Advanced
4. Click Restore defaults → Apply
Method 3: Create New User Profile
1. Go to Settings → Accounts → Family & other users
2. Add a new administrator account
3. Log in with the new account and check for the error
If the Error Persists:
When manual fixes fail, root causes often include:
- Deep registry corruption
- Hidden service conflicts
- Broken COM object entries
- Residual errors from uninstalled software
Outbyte PC Repair can help solve these automatically by:
1. Scanning and repairing founded errors
2. Updating outdated drivers
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Main Causes:
1. Corrupted system files (especially DLL libraries)
2. Windows registry errors (invalid COM object keys)
3. Antivirus/firewall conflicts (blocking access)
4. Damaged user profiles
5. NTFS permission issues
Conclusion:
The error “0x80004005” is typically resolved through permission resets or file repairs. For complex cases involving deep system damage, Outbyte PC Repair offers an efficient solution that can save hours of manual troubleshooting.
Prevention Tips:
- Keep Windows updated
- Avoid registry cleaners from untrusted sources
- Create restore points before system changes
- Use official installers for software
The following steps should fix the 0x80004005 issue:
- Step 1. Download Outbyte PC Repair application See more information about Outbyte; uninstall instructions; EULA; Privacy Policy.
- Step 2. Install and launch the application
- Step 3. Click the Scan Now button to detect issues and abnormalities
- Step 4. Click the Repair All button to fix the issues
Compatibility | Win 11, 10, 8 |
Download Size | 28 MB |
Requirements | 300 MHz Processor, 256 MB RAM, 101 MB disk space |
Limitations: trial version offers an unlimited number of scans, backups and restores of your Windows system elements for free. Registration for the full version starts from USD 29.95.

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