[1.6] Theme installer gives me error

1. Make shure that you uploading theme .zip, not full zip package from themeforest 

2. Connect to your FTP server and check the CHMOD of the folder: your_eshop/themes and set it to 777. Try to import. 

3. Increase max upload size in php configuration 

4. If non of this help then using ftp client copy theme_x_x.zip(example theme_3_8.zip) to your_eshop/themes then instead uploading theme_x_x.zip in installer select in from ftp