Error 27300 when installing a Kaspersky application for home

your computer before attempting the installation again. 2. Repair Cryptographic Services

Frustrating driver conflict – Error 27300 with klif.sys-x64

Use the tool for deeper repairs: DISM.exe /Online /Cleanup-image /Restorehealth . Final Considerations

If you’ve tried all the above and Error 27300 persists, check these two final items: