It happens to many computers, the symptoms usually start with infected computer runs slower and slower. While running, the heart rate increases significantly, and occasionally sweats. This is initial stage, next, infected computer starts losing its mind, typically forgetting recently stored data. As the symptoms progressing, pretty soon, data access causing panic and system faults, or disk error. There is no cure, but certain treatments will help such as regularly backup and restore data, replace hard drive or memory, or buy a new one. There are alternative treatment reported, including talk to the computer with affections, providing coke to the CPU while running (for obvious reason, running causes thirsty), or something shock treatment including zap the CPU and memory with static electricity. Again this treatments are not FDA approved.