[QUOTE=sonikg;2502391]hi, i had purchase a software from Ahemdabad for institute management, which is only operates when i insert the dongle provided by the vendor. now the dongle fail error is appearing and my vendor is not reachable, what can i do???:Z[/QUOTE]
Contact the vendor if you can’t then you have to contact the software manufacture whom created the dongle. Those copyright protected schemes are sole venue of the creators. We here can’t help you to circumvent their protection.