AVG antivirus free

I am not able to install AVG PC TuneUp please help, the error code I get is 

0xC0070641: General error (0x0641)

Hello Surendra,
We are sorry that you are facing issue with AVG PC Tuneup installation.  The error is because you may have installed AVG PC Tuneup on your system, please go to control panel, program and features and look for AVG PC Tuneup program. However, We would like to inform you that we do not have Free version of AVG PC Tuneup. Thank you.

Hello Surendra,
We are sorry that you are facing issue with AVG PC Tuneup installation.  The error is because you may have installed AVG PC Tuneup on your system, please go to control panel, program and features and look for AVG PC Tuneup program. However, We would like to inform you that we do not have Free version of AVG PC Tuneup. Thank you.