We are only responsible for files that were not affected by any security software during the encryption process. The files that were decrypted were not affected by your security software during the encryption process, and they were decrypted by our decryptor without any problems. The remaining files were damaged during the encryption process by your security software. I recommend that you contact your company's security software vendor to restore your files. We are not responsible for files that were modified during the encryption process. This should be clear to you without our comments.