After installing Lion, my iMac Intel is very slow and need to login twice.

Tried downioading another copy of Lion to reinstall, but I get an error message stating it cannot continue. Has anyone had this problem before? Thanks.

hopefully this is what you need:
Mar 13 23:53:53 Peter-Andrew-Gonzalezs-iMac Install Mac OS X Lion[344]: Finished operation queue
Mar 13 23:54:28 Peter-Andrew-Gonzalezs-iMac diskmanagementd[365]: DM ->T+[DMToolBootPreference getPartitionBootability:]: inUDS=0x10ddd3c30=disk2s3=Mac OS X Install ESD
Mar 13 23:54:28 Peter-Andrew-Gonzalezs-iMac diskmanagementd[365]: DM ..T+[DMToolBootPreference getPartitionBootability:]: PMBootable=1            (bootable right now without any further action)
Mar 13 23:54:28 Peter-Andrew-Gonzalezs-iMac diskmanagementd[365]: DM ..T+[DMToolBootPreference getPartitionBootability:]: PMBootCapable=0         (bootable if you call MKCFPrepareBootDevice)
Mar 13 23:54:28 Peter-Andrew-Gonzalezs-iMac diskmanagementd[365]: DM ..T+[DMToolBootPreference getPartitionBootability:]: PMBootSurgeryRequired=0 (for primitive MBR on BIOS, add boot block and loader)
Mar 13 23:54:28 Peter-Andrew-Gonzalezs-iMac diskmanagementd[365]: DM ..T+[DMToolBootPreference getPartitionBootability:]: PMFSSurgeryRequired=0   (for primitive MBR on BIOS, add boot block and loader)
Mar 13 23:54:28 Peter-Andrew-Gonzalezs-iMac diskmanagementd[365]: DM ..T+[DMToolBootPreference getPartitionBootability:]: PMNewfsRequired=1       (bootable with MKCFPrep but it will rudely carve)
Mar 13 23:54:28 Peter-Andrew-Gonzalezs-iMac diskmanagementd[365]: DM <-T+[DMToolBootPreference getPartitionBootability:]: MKerr=0 out=12=0xc
Mar 13 23:54:29 Peter-Andrew-Gonzalezs-iMac Install Mac OS X Lion[344]: Extracting files from /Applications/Install Mac OS X Lion.app/Contents/SharedSupport/InstallESD.dmg
Mar 13 23:54:30 Peter-Andrew-Gonzalezs-iMac Install Mac OS X Lion[344]: Failed to write imgsrc info to nvram
Mar 13 23:54:30 Peter-Andrew-Gonzalezs-iMac Install Mac OS X Lion[344]: Extracting Boot Bits from Outer DMG:
Mar 13 23:54:31 Peter-Andrew-Gonzalezs-iMac Install Mac OS X Lion[344]: Copied kernelcache
Mar 13 23:54:31 Peter-Andrew-Gonzalezs-iMac Install Mac OS X Lion[344]: Copied Boot.efi
Mar 13 23:54:31 Peter-Andrew-Gonzalezs-iMac Install Mac OS X Lion[344]: Ejecting disk image
Mar 13 23:54:41 Peter-Andrew-Gonzalezs-iMac Install Mac OS X Lion[344]: Generating the com.apple.Boot.plist file
Mar 13 23:54:41 Peter-Andrew-Gonzalezs-iMac Install Mac OS X Lion[344]: Linking self-contained dmg into mutable product
Mar 13 23:54:41 Peter-Andrew-Gonzalezs-iMac Install Mac OS X Lion[344]: com.apple.Boot.plist: {
              "Kernel Cache" = "/Mac OS X Install Data/kernelcache";
              "Kernel Flags" = "container-dmg=file:///Mac%20OS%20X%20Install%20Data/InstallESD.dmg root-dmg=file:///BaseSystem.dmg";
Mar 13 23:54:41 Peter-Andrew-Gonzalezs-iMac Install Mac OS X Lion[344]: Done generating the com.apple.Boot.plist file
Mar 13 23:54:41 Peter-Andrew-Gonzalezs-iMac Install Mac OS X Lion[344]: Blessing / -- /Mac OS X Install Data
Mar 13 23:54:41 Peter-Andrew-Gonzalezs-iMac InstallAssistantTool[527]: Couldn't bless the installation disk: /
Mar 13 23:55:10 Peter-Andrew-Gonzalezs-iMac Install Mac OS X Lion[344]: Failed to remove mutable product /Mac OS X Install Data

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