Avast is one of the most popular antivirus programs, but it isn’t without its share of problems, especially for users in the UK. From installation crashes to update failures and UI load errors, these issues can cause serious disruptions. This guide lists the most common Avast Antivirus errors reported in the past year, their causes, and how to fix them quickly.
📞 Need quick help? Call Avast Antivirus UK Helpline at 0800-090-3202
Why Do These Avast Errors Occur?
Most Avast issues stem from:
- Conflicting Software (Windows Defender, other antivirus)
- Permission Restrictions
- Corrupted Installations or Incomplete Updates
- Proxy or DNS Configuration Errors
- Leftover Files from Previous Versions
🇬🇧 UK-Specific Avast Issues
UK users report several regional challenges:
- Auto-renewal in GBP without proper notification
- VAT-related invoice queries under GDPR
- Chat support is not aligned with UK business hours
- Problems verifying UK debit cards or postcode validation
- Internet filtering by UK ISPs is disrupting Avast updates
If you’re experiencing issues with Avast—like error pop-ups, failed updates, or installation glitches—these may be caused by corrupted files, software clashes, or expired licensing. For fast resolution, UK users should contact the Avast Helpdesk UK, where support professionals are ready to guide you through tailored fixes and account-related queries.
🧾 Most Reported Avast Errors in the UK (2024–2025)
| Error Code or Issue | Description | Quick Fix |
|---|---|---|
| Error 1068 | Avast service can’t start | Restart the Avast Antivirus service or reinstall in Safe Mode |
| UI Failed to Load | The user interface is not starting | Run the installer as admin, disable other antivirus |
| Error 7005 | Avast Antivirus service failed | Use Services.msc to manually restart Avast |
| Error 42110 | Virus definition file missing or outdated | Manually update virus definitions or reinstall |
| 0x8009000b | Install failure due to permission issues | The user interface not starting |
| Error 1316 | Uninstall failure | Use Avast Clear Tool in Safe Mode |
| 0xe001f94e | Update failed with internet or proxy error | Check firewall settings, reconnect internet |
| Error 42125 | Corrupted archive files found | Delete affected files manually and re-scan |
| Web Shield Error | Real-time scanning fails | Perform a clean reinstall or disable auto-start temporarily |
| Avast Freezes on Startup | App stuck during boot | Disable and re-enable Web Shield, and restart the device |
Quick Fixes for Common Avast Errors
Fix Avast UI Failed to Load Error
- Open Run > Services.msc
- Locate Avast Antivirus, right-click → Restart
- If unresolved, reinstall Avast using the Avast Clear Tool in Safe Mode
Resolve Update or Definition Errors
- Launch Avast > Menu > Settings > Update
- Check for both program and virus definition updates
- If stuck, turn off the firewall temporarily or switch networks
Solve Avast Installation Crashes
- Remove older security apps (use Revo Uninstaller if needed)
- Run Avast Setup as Administrator
- Ensure you’re installing from the official Avast site
Uninstall Issues – Error 1316 Fix
- Download and run the Avast Uninstall Utility
- Restart the system in Safe Mode
- Follow prompts to clean residual files
Why Call the Avast Antivirus UK Helpline?
While online fixes may help, some issues demand direct assistance:
- Persistent error loops or crashes
- Subscription cancellation issues
- Billing errors or refund delays
- Unresponsive auto-renewal settings
- Difficult-to-remove older versions
Call 0800-090-3202 to connect with our friendly UK-based team and resolve your Avast issue quickly.
Pro Tip: Keep Your PC Avast-Friendly
- Regularly clear temporary files (
%temp%,prefetch) - Avoid running multiple antivirus programs together
- Check Avast settings monthly for pending actions
- Keep Windows fully updated to reduce compatibility errors
FAQs – Avast Antivirus Errors
It may be due to a corrupted service or a failed update. Restarting the service or using the Avast Clear tool helps.
Yes. Restart RPC and related services, then run Avast repair.
Check your internet or firewall settings. Switch DNS or reinstall if needed.
Yes. Call 0800-090-3202 to speak with a UK-based Avast help advisor.