User profile issue

I get the below error on two separate windows 7 32 bit and windows 7 64 bit machines

Error1.
Windows detected your registry file is still in use by other applications or services. The file will be unloaded now. The applications or services that hold your registry file may not function properly afterwards.  

 DETAIL -
 1 user registry handles leaked from \Registry\User\S-1-5-21-1993962763-2146995231-725345543-1345:
Process 936 (\Device\HarddiskVolume2\Windows\System32\svchost.exe) has opened key \REGISTRY\USER\S-1-5-21-1993962763-2146995231-725345543-1345\Software\Microsoft\Internet Explorer\LinksBar

Error2.
Windows detected your registry file is still in use by other applications or services. The file will be unloaded now. The applications or services that hold your registry file may not function properly afterwards.  

 DETAIL -
 1 user registry handles leaked from \Registry\User\S-1-5-21-1993962763-2146995231-725345543-1345:
Process 1944 (\Device\HarddiskVolume2\Program Files\Symantec\Symantec Endpoint Protection\Rtvscan.exe) has opened key \REGISTRY\USER\S-1-5-21-1993962763-2146995231-725345543-1345\Software\Symantec\Symantec Endpoint Protection\AV\Custom Tasks

Due to this some group policy scripts do not execute
Old group policy script execute
But new group policy scripts do not execute
The script in question is a vbs user login script mapping a network shared folder for the user
The same user when logs-in to another Windows 7 machine gets the folder mapped without errors
Also on another Windows XP machine the folder maps without errors

I wanted help in troubleshooting the error and how to remove this error completely