Sophos AntiVirus for Mac Home Edition & iMac Standby Issues

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Several weeks ago I installed Sophos AntiVirus for Mac Home Edition on my iMac. I chose it because I was somewhat familiar with Sophos and I knew that I needed a working malware program (I was using an older version of McAfee Security on my previous iMac but that version wasn’t compatible with Lion).

Since I installed it I began to notice odd issues with bringing my Mac out of standby. It could have been a coincidence but the only other changes I’ve made to the system were some recent system updates.

Today, once again, the system didn’t wake. Previous issues also included the system partially waking but the mouse cursor would change to a spinning wheel and I couldn’t do anything except move the cursor.

After I restarted the iMac the system offered to send a crash report to Apple. I went ahead and let it but I viewed the details before sending. While I didn’t read the information closely it looked like it was possibly caused by the Sophos updater process.

To try to work around the problem I changed some Energy Saver settings. My iMac is on a UPS and I noticed the UPS configuration options were a little different from the standard power options. I disabled the option to allow the hard drive to sleep and then saved the changes.

With those changes in place it’s now just a matter of waiting to see if it happens again.

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