| Component | Description |
|-----------|-------------|
| Error Code | 27300 (MSI ERROR_INSTALL_FAILURE) |
| Internal Subcode | Often maps to ERROR_SHARING_VIOLATION (32) or ERROR_ACCESS_DENIED (5) |
| Phase | Commit / Driver registration (InstallExecuteSequence) |
| Flag | exclusive – kernel lock on .sys file or device object |
When an MSI-based installer reaches the InstallFinalize stage, it attempts to:
If another process holds an exclusive handle to the file path or the service key, the transaction fails and rolls back, triggering Error 27300. error 27300 error installing driver klim6sysx64 exclusive
Follow these methods in order. Start with Method 1, as it solves 80% of cases.
Searching public driver databases (Microsoft Update Catalog, DriverGuide, etc.) yields no legitimate entry for klim6sysx64. If another process holds an exclusive handle to
This driver acts as a low-level filter driver. It sits between Windows file system requests and the hardware, scanning every file that is opened, executed, or modified. Because it operates at the kernel level, Windows places strict locks on it. If any other process holds a lock on the driver file or its registry keys, the installation fails with the "exclusive" error.
Because the error relates to a Kaspersky driver, the vendor provides a specialized tool to clean up locked files and registry keys. scanning every file that is opened
Step 1: Download the kavremover tool from the official Kaspersky support site.
Step 2: Restart your computer into Safe Mode (Press F4 after reboot, or use msconfig → Boot → Safe boot).
Step 3: Run kavremover.exe as Administrator.
Step 4: Type the security code shown on screen.
Step 5: Select the Kaspersky product you were trying to install (or select "All detected products").
Step 6: Click "Remove." The tool will forcibly delete all Kaspersky drivers, including klim6sysx64.
Step 7: Reboot normally and attempt the installation again.
Use Sysinternals Handle or Process Explorer:
handle64.exe -a klim6sysx64.sys