Kaspersky antivirus UK errors are among the most common technical problems faced by British users in 2025. Whether it’s trouble installing the software, unresponsive scans, or removal issues, users across the United Kingdom seek reliable solutions that don’t require complex DIY fixes.
Kaspersky remains one of the most trusted antivirus products globally, offering real-time protection against viruses, ransomware, spyware, and phishing. But technical glitches can interrupt this protection, especially during setup, performance, or update phases.
This guide walks UK users through the most frequent Kaspersky antivirus errors and their fixes. If you’d prefer live assistance, call the QuickTechy toll-free customer service helpline on 0800-090-3202 now.
List of Common Kaspersky Antivirus UK Errors and Fixes
Installation Errors
“The application was not installed. Your computer may be infected with viruses”
- This error is triggered by leftover antivirus software, malware interference, or system conflicts.
- Fixes:
- Use KAVRemover to clean old traces of Kaspersky
- Run the Kaspersky Virus Removal Tool
- Download the latest installer from Kaspersky’s UK site
- Reboot before reinstalling
- Prefer guided help? Call 0800-090-3202
“The current version of the operating system is not supported”
- Often caused by outdated Windows builds or software conflicts.
- Fixes:
- Update your Windows OS to the latest version
- Confirm compatibility on the official support site
- Run the installer as Administrator
- Remove legacy security tools
Still unsure? Contact our Kaspersky Helpdesk UK anytime.
Error 27300 – Driver Issue (e.g. klim6.sys, mklif.sys)
- Associated with driver conflicts and third-party VPN or virtualisation tools.
- Fixes:
- Remove apps like Cisco AnyConnect or VMware
- Run cleanup tools
- Reboot and reinstall Kaspersky antivirus
- Need help? Our British support team is available on 0800-090-3202
Scanning & Performance Problems
Scan hangs or freezes mid-process
- A common Kaspersky antivirus UK error occurs when low memory or external devices interfere.
- Fixes:
- Boot your device in Safe Mode
- Disconnect USB drives
- Close background processes
- Use the GetSystemInfo diagnostic tool
- Trouble persists? Call 0800-090-3202
Scans slow down system performance
- Often triggered by outdated disk systems or insufficient RAM.
- Fixes:
- Disable background apps during scan
- Defragment your hard disk
- Increase system memory if needed
- Apply pending Windows updates
- Quick fix available on 0800-090-3202
Removal & Uninstallation Errors
“Uninstallation failed” or partial removal issues
- This often results from corrupted uninstall scripts or locked services.
- Fixes:
- Use KAVRemover for full removal
- Manually delete remnants from AppData and Program Files
- Disable scheduled tasks like Upgrade Launcher
- Need remote removal? Call our UK support on 0800-090-3202
“Access Denied” during removal
- Usually caused by Kaspersky’s self-defence feature or administrator restrictions.
- Fixes:
- Boot into Safe Mode
- Disable Self-Defence via Kaspersky settings (if accessible)
- Retry removal using the cleanup tool
- Still blocked? Contact our helpdesk – 0800-090-3202
Service-Level Errors
“Setup wizard cannot process internal error”
- Registry conflicts or corruption in install folders are typical causes.
- Fixes:
- Remove registry entries under
HKEY_LOCAL_MACHINE\KasperskyLab - Delete related folders in Program Files and ProgramData
- Restart and attempt to reinstall
- Need guided troubleshooting? Ring us on 0800-090-3202
- Remove registry entries under
IMAP Email Access Blocked Post-Update
- Security settings may block trusted email protocols.
- Fixes:
- Add IMAP servers under Trusted Addresses in encrypted connections
- Restart Kaspersky antivirus or reboot your PC
- Stuck with email issues? Call 0800-090-3202
🇬🇧 UK-Specific Considerations in 2025
British users face unique challenges while resolving antivirus errors:
- Support hours may vary depending on the GMT or BST time zones
- VAT invoices or refunds often require manual escalation
- Payment systems may differ from global setups
- GDPR compliance can restrict logging tools or remote assistance
For personalised help across the UK, contact QuickTechy’s customer service on 0800-090-3202.
Why Contact Customer Helpline?
DIY fixes can sometimes fall short, especially if you’re uncomfortable with registry edits, safe mode, or advanced diagnostics. QuickTechy’s British customer service team is ready to assist with real-time fixes for all major Kaspersky antivirus UK errors.
☎️ Call Now: 0800-090-3202 (Toll-Free)
Still Need Help with Kaspersky antivirus UK errors
“If you’re still stuck, reach out to our customer service helpline for fast and reliable assistance.”
📞 0800-090-3202 – Available for all UK users
Frequently Asked Questions (FAQs)
A1. OS compatibility and third-party software conflicts are common. Update your system, run the installer as Administrator, or call us.
A2. Use KAVRemover and delete leftovers manually. Prefer remote help? Call 0800-090-3202.
A3. Check RAM, USB devices, or Safe Mode behaviour. Kaspersky antivirus UK errors like this are common and fixable with expert help.
A4. A driver error caused by conflicts with VPN or virtualisation apps. Remove these apps, clean installation, and reboot.
A5. Yes—call our British support team on 0800-090-3202 for quick resolution of all Kaspersky-related issues.
A6. Common problems include installation failure, scan freezes, and driver conflicts. Our helpline is available to assist you every step.
🔗 Helpful Resource
For official uninstall tools, visit Kaspersky’s support page.