Symantec Workspace Streaming 6.1 SP8 File Drop 3 Information Notes


Article ID: 156699


Updated On:


Workspace Streaming (formerly AppStream)


 File drop 3 for SWS 6.1 SP8


This document contains the following topics:

  • Installation and Rollback
  • Fixed Issues in This Release
SWS 6.1 SP8
Note: Create a backup copy of the RegHook.sys file before replacing it.
Installation Steps:
  1. Copy the attached (RegHook.sys) driver file to the following location and overwrite pre-existing version:    <system drive>\Windows\System32\drivers folder
  2. Open Regedit and create the following DWORD value (set the Value Data to “0”):       HKLM\System\CurremtControlSet\Services\RegHook\Parameters\RH_FreeSyncProcRequests
  3. Restart Windows.
Rollback Steps:
  1. Restore the original RegHook.sys file to the following locations:    <system drive>\Windows\System32\drivers folder
  2. Open Regedit and delete HKLM\System\CurremtControlSet\Services\RegHook\Parameters\RH_FreeSyncProcRequests
  3. Restart Windows.
Fixed Issues in This File Drop
The following are the currently reported fixes included in SWS 6.1 SP8 FD3. If additional information about an issue is available, it is possible to access this by clicking the Article ID link. (Note: N/A = Not Available)


Internal ID
Issue Abstract
Article ID
Users with drives mapped in multiple domains get BSOD in RegHook.sys when logging off and back on
NOTE: This BSOD is a rare symptom that only occurs when numerous variables affect the timing and order of system startup in a specific way. Most customers do not experience this problem. This File Drop is only recommended if you are experiencing the BSOD described.



Applies To


MS Windows 7 x64 

Note: This driver is only for Win 7 x64 client.


FILE DROP3 FOR get_app