.net本地程序集加载失败，CAS策略

We are getting the following assembly load error. The assembly is loaded from the local path "C:\Program Files\ASWorx Products\ASWorx\Bin\". The problem is not there with the old version of the binary. The issue appears when we have sent the new binary through e-mail. Build settings are not changed. How can we correct the issue? The issue appears in Win7 32 bit machineWe are getting the following assembly load erro