Error 27300 Error Installing Driver Klim6sysx64 Exclusive May 2026

Error 27300 is a critical installation failure that occurs when a Kaspersky application cannot install a specific driver—typically klim6.sys_x64

Method 3: Manual File Deletion (Advanced)

If the error persists, the physical driver file must be deleted manually. This requires booting into Safe Mode to bypass the "file in use" lock. error 27300 error installing driver klim6sysx64 exclusive

The most common cause is a corrupted "ghost" version of a previous Kaspersky product. Standard Windows uninstallation often leaves registry keys behind. Download the official Kavremover utility from Kaspersky. Boot your computer into Safe Mode. Run kavremover.exe. Error 27300 is a critical installation failure that

• VirusTotal
• Hybrid Analysis

The Klim6sysx64 exclusive driver is a software component developed by Kaspersky Lab, a well-known cybersecurity company. The driver is designed to interact with the Kaspersky antivirus software and provide enhanced system protection. The "exclusive" label suggests that this driver is specific to certain systems or configurations. VirusTotal Hybrid Analysis

Troubleshooting Guide: How to Fix "Error 27300" and "klim6sysx64"

If you are attempting to install or update a Kaspersky Lab security product and have been stopped dead in your tracks by the message "Error 27300 error installing driver klim6sysx64 exclusive," you are not alone. This is a known issue specific to Kaspersky software installations on Windows.

Step 1: Run Command Prompt as Administrator. Step 2: Run: chkdsk C: /f /r Step 3: Press Y to schedule the check on next reboot. Step 4: Restart your PC. Let CHKDSK run (this can take 30+ minutes). Step 5: After completion, try installing again.