INTRODUCTION
This article describes a hotfix package that contains the latest fixes for Microsoft Application Virtualization 4.5 Service Pack 1 (App-V 4.5 SP1) and that is dated July 2010.
Note We recommend that you test hotfixes before you deploy them in a production environment. Because the builds are cumulative, each new hotfix release contains all fixes that were included with the previous update package. We recommend that you apply the most recent hotfix release that contains the hotfixes that you want.
This hotfix package addresses the following issue:
- When you try to launch applications by using an App-V client, you may receive the "Starting launch" message, and the application is not launched. Additionally, an application launch does not work after this issue occurs, and you have to restart the computer to resolve this issue.
Resolution
Hotfix information
A supported hotfix is available from Microsoft. However, this hotfix is intended to correct only the problem that is described in this article. Apply this hotfix only to systems that are experiencing the problem described in this article. This hotfix might receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next software update that contains this hotfix.
If the hotfix is available for download, there is a "Hotfix download available" section at the top of this Knowledge Base article. If this section does not appear, contact Microsoft Customer Service and Support to obtain the hotfix.
Note If additional issues occur or if any troubleshooting is required, you might have to create a separate service request. The usual support costs will apply to additional support questions and issues that do not qualify for this specific hotfix. For a complete list of Microsoft Customer Service and Support telephone numbers or to create a separate service request, visit the following Microsoft Web site:
http://support.microsoft.com/contactus/?ws=support Note The "Hotfix download available" form displays the languages for which the hotfix is available. If you do not see your language, it is because a hotfix is not available for that language.
Prerequisites
To apply this hotfix, you must have Microsoft Application Virtualization (App-V) 4.5 Service Pack 1 (SP1) installed.
Restart requirement
You must restart the computer after you apply this hotfix.
Hotfix replacement information
This hotfix replaces Hotfix Package 3 for Microsoft Application Virtualization 4.5 Service Pack 1. For more information, click the following article number to view the article in the Microsoft Knowledge Base:
2028766 Hotfix Package 3 for Microsoft Application Virtualization 4.5 SP1: June 2010
File information
The English (United States) version of this hotfix installs files that have the attributes that are listed in the following tables. The dates and the times for these files are listed in Coordinated Universal Time (UTC). The dates and the times for these files on your local computer are displayed in your local time together with your current daylight saving time (DST) bias. Additionally, the dates and the times may change when you perform certain operations on the files.
Microsoft Application Virtualization 4.5 SP1 for Terminal Services
| File name | File version | File size | Date | Time | Platform |
|---|---|---|---|---|---|
| Mavcperf.dll | Not applicable | 7,656 | 30-Jun-2010 | 15:43 | Not applicable |
| Mavcperfres.dll | Not applicable | 2,003 | 30-Jun-2010 | 15:42 | Not applicable |
| Mavcperfres.dll | Not applicable | 1,995 | 30-Jun-2010 | 15:42 | Not applicable |
| Mavcperfres.dll | Not applicable | 2,041 | 30-Jun-2010 | 15:43 | Not applicable |
| Mavcperfres.dll | Not applicable | 2,001 | 30-Jun-2010 | 15:42 | Not applicable |
| Mavcperfres.dll | Not applicable | 1,995 | 30-Jun-2010 | 15:42 | Not applicable |
| Mavcperfres.dll | Not applicable | 1,995 | 30-Jun-2010 | 15:42 | Not applicable |
| Mavcperfres.dll | Not applicable | 1,999 | 30-Jun-2010 | 15:42 | Not applicable |
| Mavcperfres.dll | Not applicable | 1,999 | 30-Jun-2010 | 15:42 | Not applicable |
| Mavcperfres.dll | Not applicable | 1,993 | 30-Jun-2010 | 15:42 | Not applicable |
| Mavcperfres.dll | Not applicable | 1,997 | 30-Jun-2010 | 15:42 | Not applicable |
| Mavcperfres.dll | Not applicable | 1,997 | 30-Jun-2010 | 15:42 | Not applicable |
| Mavcperfres.dll | Not applicable | 2,003 | 30-Jun-2010 | 15:42 | Not applicable |
| Sftclientres.dll | Not applicable | 2,062 | 30-Jun-2010 | 15:43 | Not applicable |
| Sftclientres.dll | Not applicable | 2,066 | 30-Jun-2010 | 15:43 | Not applicable |
| Sftclientres.dll | Not applicable | 3,002 | 30-Jun-2010 | 15:43 | Not applicable |
| Sftclientres.dll | Not applicable | 3,002 | 30-Jun-2010 | 15:43 | Not applicable |
| Sftclientres.dll | Not applicable | 2,074 | 30-Jun-2010 | 15:43 | Not applicable |
| Sftclientres.dll | Not applicable | 2,076 | 30-Jun-2010 | 15:43 | Not applicable |
| Sftclientres.dll | Not applicable | 2,072 | 30-Jun-2010 | 15:43 | Not applicable |
| Sftclientres.dll | Not applicable | 2,068 | 30-Jun-2010 | 15:43 | Not applicable |
| Sftclientres.dll | Not applicable | 2,080 | 30-Jun-2010 | 15:43 | Not applicable |
| Sftclientres.dll | Not applicable | 2,064 | 30-Jun-2010 | 15:43 | Not applicable |
| Sftclientres.dll | Not applicable | 2,080 | 30-Jun-2010 | 15:43 | Not applicable |
| Sftclientres.dll | Not applicable | 2,072 | 30-Jun-2010 | 15:43 | Not applicable |
| Sftclientres.dll | Not applicable | 2,072 | 30-Jun-2010 | 15:43 | Not applicable |
| Sftcmc.dll | Not applicable | 63,325 | 30-Jun-2010 | 15:42 | Not applicable |
| Sftcmcres.dll | Not applicable | 2,368 | 30-Jun-2010 | 15:43 | Not applicable |
| Sftcmcres.dll | Not applicable | 2,364 | 30-Jun-2010 | 15:43 | Not applicable |
| Sftcmcres.dll | Not applicable | 8,014 | 30-Jun-2010 | 15:42 | Not applicable |
| Sftcmcres.dll | Not applicable | 8,014 | 30-Jun-2010 | 15:43 | Not applicable |
| Sftcmcres.dll | Not applicable | 2,354 | 30-Jun-2010 | 15:43 | Not applicable |
| Sftcmcres.dll | Not applicable | 2,366 | 30-Jun-2010 | 15:43 | Not applicable |
| Sftcmcres.dll | Not applicable | 2,360 | 30-Jun-2010 | 15:43 | Not applicable |
| Sftcmcres.dll | Not applicable | 2,352 | 30-Jun-2010 | 15:43 | Not applicable |
| Sftcmcres.dll | Not applicable | 2,360 | 30-Jun-2010 | 15:43 | Not applicable |
| Sftcmcres.dll | Not applicable | 2,360 | 30-Jun-2010 | 15:43 | Not applicable |
| Sftcmcres.dll | Not applicable | 2,362 | 30-Jun-2010 | 15:43 | Not applicable |
| Sftcmcres.dll | Not applicable | 2,348 | 30-Jun-2010 | 15:43 | Not applicable |
| Sftcmcres.dll | Not applicable | 2,366 | 30-Jun-2010 | 15:43 | Not applicable |
| Sftcomp.dll | Not applicable | 2,240 | 30-Jun-2010 | 15:43 | Not applicable |
| Sftcore.dll | Not applicable | 219,742 | 30-Jun-2010 | 15:43 | Not applicable |
| Sftdcc.exe | Not applicable | 9,312 | 30-Jun-2010 | 15:42 | Not applicable |
| Sftdde.exe | Not applicable | 13,439 | 30-Jun-2010 | 15:43 | Not applicable |
| Sftevent.dll | Not applicable | 2,211 | 30-Jun-2010 | 15:43 | Not applicable |
| Sftfs2k3.sys | Not applicable | 51,938 | 30-Jun-2010 | 15:43 | Not applicable |
| Sftfsi.dll | Not applicable | 141,062 | 30-Jun-2010 | 15:43 | Not applicable |
| Sftfslh.sys | Not applicable | 49,000 | 30-Jun-2010 | 15:44 | Not applicable |
| Sftfsxp.sys | Not applicable | 53,230 | 30-Jun-2010 | 15:44 | Not applicable |
| Sftintf.dll | Not applicable | 20,048 | 30-Jun-2010 | 15:44 | Not applicable |
| Sftldr.dll | Not applicable | 52,336 | 30-Jun-2010 | 15:44 | Not applicable |
| Sftlist.exe | Not applicable | 38,616 | 30-Jun-2010 | 15:44 | Not applicable |
| Sftlp.exe | Not applicable | 9,632 | 30-Jun-2010 | 15:44 | Not applicable |
| Sftmime.com | Not applicable | 385 | 30-Jun-2010 | 15:42 | Not applicable |
| Sftmime.exe | Not applicable | 5,527 | 30-Jun-2010 | 15:42 | Not applicable |
| Sftplay2k3.sys | Not applicable | 19,143 | 30-Jun-2010 | 15:44 | Not applicable |
| Sftplaylh.sys | Not applicable | 19,547 | 30-Jun-2010 | 15:44 | Not applicable |
| Sftplayxp.sys | Not applicable | 19,293 | 30-Jun-2010 | 15:44 | Not applicable |
| Sftpsr.dll | Not applicable | 2,490 | 30-Jun-2010 | 15:44 | Not applicable |
| Sftredir2k3.sys | Not applicable | 2,068 | 30-Jun-2010 | 15:44 | Not applicable |
| Sftredirlh.sys | Not applicable | 2,070 | 30-Jun-2010 | 15:44 | Not applicable |
| Sftredirxp.sys | Not applicable | 2,076 | 30-Jun-2010 | 15:44 | Not applicable |
| Sftsharedres.dll | Not applicable | 1,999 | 30-Jun-2010 | 15:43 | Not applicable |
| Sftsharedres.dll | Not applicable | 1,999 | 30-Jun-2010 | 15:43 | Not applicable |
| Sftsharedres.dll | Not applicable | 2,049 | 30-Jun-2010 | 15:44 | Not applicable |
| Sftsharedres.dll | Not applicable | 2,003 | 30-Jun-2010 | 15:43 | Not applicable |
| Sftsharedres.dll | Not applicable | 2,001 | 30-Jun-2010 | 15:43 | Not applicable |
| Sftsharedres.dll | Not applicable | 2,003 | 30-Jun-2010 | 15:43 | Not applicable |
| Sftsharedres.dll | Not applicable | 2,005 | 30-Jun-2010 | 15:43 | Not applicable |
| Sftsharedres.dll | Not applicable | 2,005 | 30-Jun-2010 | 15:43 | Not applicable |
| Sftsharedres.dll | Not applicable | 2,005 | 30-Jun-2010 | 15:43 | Not applicable |
| Sftsharedres.dll | Not applicable | 1,995 | 30-Jun-2010 | 15:43 | Not applicable |
| Sftsharedres.dll | Not applicable | 1,999 | 30-Jun-2010 | 15:43 | Not applicable |
| Sftsharedres.dll | Not applicable | 1,999 | 30-Jun-2010 | 15:43 | Not applicable |
| Sftsync.dll | Not applicable | 2,944 | 30-Jun-2010 | 15:44 | Not applicable |
| Sfttray.exe | Not applicable | 26,709 | 30-Jun-2010 | 15:43 | Not applicable |
| Sftuser.dll | Not applicable | 16,186 | 30-Jun-2010 | 15:44 | Not applicable |
| Sftvol2k3.sys | Not applicable | 2,063 | 30-Jun-2010 | 15:44 | Not applicable |
| Sftvollh.sys | Not applicable | 2,067 | 30-Jun-2010 | 15:44 | Not applicable |
| Sftvolxp.sys | Not applicable | 2,067 | 30-Jun-2010 | 15:44 | Not applicable |
| Sftvsa.exe | Not applicable | 13,172 | 30-Jun-2010 | 15:44 | Not applicable |
| Sgcliprv.dll | Not applicable | 3,623 | 30-Jun-2010 | 15:42 | Not applicable |
Microsoft Application Virtualization 4.5 SP1 for Windows Desktops
| File name | File version | File size | Date | Time | Platform |
|---|---|---|---|---|---|
| Mavcperf.dll | Not applicable | 7,656 | 30-Jun-2010 | 15:45 | Not applicable |
| Mavcperfres.dll | Not applicable | 2,003 | 30-Jun-2010 | 15:44 | Not applicable |
| Mavcperfres.dll | Not applicable | 1,995 | 30-Jun-2010 | 15:44 | Not applicable |
| Mavcperfres.dll | Not applicable | 2,041 | 30-Jun-2010 | 15:45 | Not applicable |
| Mavcperfres.dll | Not applicable | 2,001 | 30-Jun-2010 | 15:44 | Not applicable |
| Mavcperfres.dll | Not applicable | 1,995 | 30-Jun-2010 | 15:44 | Not applicable |
| Mavcperfres.dll | Not applicable | 1,995 | 30-Jun-2010 | 15:44 | Not applicable |
| Mavcperfres.dll | Not applicable | 1,999 | 30-Jun-2010 | 15:44 | Not applicable |
| Mavcperfres.dll | Not applicable | 1,999 | 30-Jun-2010 | 15:44 | Not applicable |
| Mavcperfres.dll | Not applicable | 1,993 | 30-Jun-2010 | 15:44 | Not applicable |
| Mavcperfres.dll | Not applicable | 1,997 | 30-Jun-2010 | 15:44 | Not applicable |
| Mavcperfres.dll | Not applicable | 1,997 | 30-Jun-2010 | 15:44 | Not applicable |
| Mavcperfres.dll | Not applicable | 2,003 | 30-Jun-2010 | 15:44 | Not applicable |
| Sftclientres.dll | Not applicable | 2,062 | 30-Jun-2010 | 15:44 | Not applicable |
| Sftclientres.dll | Not applicable | 2,066 | 30-Jun-2010 | 15:44 | Not applicable |
| Sftclientres.dll | Not applicable | 3,002 | 30-Jun-2010 | 15:45 | Not applicable |
| Sftclientres.dll | Not applicable | 3,002 | 30-Jun-2010 | 15:45 | Not applicable |
| Sftclientres.dll | Not applicable | 2,074 | 30-Jun-2010 | 15:44 | Not applicable |
| Sftclientres.dll | Not applicable | 2,076 | 30-Jun-2010 | 15:44 | Not applicable |
| Sftclientres.dll | Not applicable | 2,072 | 30-Jun-2010 | 15:44 | Not applicable |
| Sftclientres.dll | Not applicable | 2,068 | 30-Jun-2010 | 15:44 | Not applicable |
| Sftclientres.dll | Not applicable | 2,080 | 30-Jun-2010 | 15:44 | Not applicable |
| Sftclientres.dll | Not applicable | 2,064 | 30-Jun-2010 | 15:44 | Not applicable |
| Sftclientres.dll | Not applicable | 2,080 | 30-Jun-2010 | 15:44 | Not applicable |
| Sftclientres.dll | Not applicable | 2,072 | 30-Jun-2010 | 15:44 | Not applicable |
| Sftclientres.dll | Not applicable | 2,072 | 30-Jun-2010 | 15:44 | Not applicable |
| Sftcmc.dll | Not applicable | 63,325 | 30-Jun-2010 | 15:44 | Not applicable |
| Sftcmcres.dll | Not applicable | 2,368 | 30-Jun-2010 | 15:45 | Not applicable |
| Sftcmcres.dll | Not applicable | 2,364 | 30-Jun-2010 | 15:44 | Not applicable |
| Sftcmcres.dll | Not applicable | 8,014 | 30-Jun-2010 | 15:44 | Not applicable |
| Sftcmcres.dll | Not applicable | 8,014 | 30-Jun-2010 | 15:45 | Not applicable |
| Sftcmcres.dll | Not applicable | 2,354 | 30-Jun-2010 | 15:44 | Not applicable |
| Sftcmcres.dll | Not applicable | 2,366 | 30-Jun-2010 | 15:44 | Not applicable |
| Sftcmcres.dll | Not applicable | 2,360 | 30-Jun-2010 | 15:44 | Not applicable |
| Sftcmcres.dll | Not applicable | 2,352 | 30-Jun-2010 | 15:44 | Not applicable |
| Sftcmcres.dll | Not applicable | 2,360 | 30-Jun-2010 | 15:44 | Not applicable |
| Sftcmcres.dll | Not applicable | 2,360 | 30-Jun-2010 | 15:44 | Not applicable |
| Sftcmcres.dll | Not applicable | 2,362 | 30-Jun-2010 | 15:44 | Not applicable |
| Sftcmcres.dll | Not applicable | 2,348 | 30-Jun-2010 | 15:44 | Not applicable |
| Sftcmcres.dll | Not applicable | 2,366 | 30-Jun-2010 | 15:44 | Not applicable |
| Sftcomp.dll | Not applicable | 2,240 | 30-Jun-2010 | 15:45 | Not applicable |
| Sftcore.dll | Not applicable | 219,742 | 30-Jun-2010 | 15:45 | Not applicable |
| Sftdcc.exe | Not applicable | 9,312 | 30-Jun-2010 | 15:44 | Not applicable |
| Sftdde.exe | Not applicable | 13,439 | 30-Jun-2010 | 15:45 | Not applicable |
| Sftevent.dll | Not applicable | 2,211 | 30-Jun-2010 | 15:45 | Not applicable |
| Sftfs2k3.sys | Not applicable | 51,938 | 30-Jun-2010 | 15:45 | Not applicable |
| Sftfsi.dll | Not applicable | 141,062 | 30-Jun-2010 | 15:45 | Not applicable |
| Sftfslh.sys | Not applicable | 49,000 | 30-Jun-2010 | 15:45 | Not applicable |
| Sftfsxp.sys | Not applicable | 53,230 | 30-Jun-2010 | 15:45 | Not applicable |
| Sftintf.dll | Not applicable | 20,048 | 30-Jun-2010 | 15:45 | Not applicable |
| Sftldr.dll | Not applicable | 52,336 | 30-Jun-2010 | 15:45 | Not applicable |
| Sftlist.exe | Not applicable | 38,616 | 30-Jun-2010 | 15:45 | Not applicable |
| Sftlp.exe | Not applicable | 9,632 | 30-Jun-2010 | 15:45 | Not applicable |
| Sftmime.com | Not applicable | 385 | 30-Jun-2010 | 15:44 | Not applicable |
| Sftmime.exe | Not applicable | 5,527 | 30-Jun-2010 | 15:44 | Not applicable |
| Sftplay2k3.sys | Not applicable | 19,143 | 30-Jun-2010 | 15:45 | Not applicable |
| Sftplaylh.sys | Not applicable | 19,547 | 30-Jun-2010 | 15:45 | Not applicable |
| Sftplayxp.sys | Not applicable | 19,293 | 30-Jun-2010 | 15:45 | Not applicable |
| Sftpsr.dll | Not applicable | 2,490 | 30-Jun-2010 | 15:45 | Not applicable |
| Sftredir2k3.sys | Not applicable | 2,068 | 30-Jun-2010 | 15:45 | Not applicable |
| Sftredirlh.sys | Not applicable | 2,070 | 30-Jun-2010 | 15:45 | Not applicable |
| Sftredirxp.sys | Not applicable | 2,076 | 30-Jun-2010 | 15:45 | Not applicable |
| Sftsharedres.dll | Not applicable | 1,999 | 30-Jun-2010 | 15:45 | Not applicable |
| Sftsharedres.dll | Not applicable | 1,999 | 30-Jun-2010 | 15:45 | Not applicable |
| Sftsharedres.dll | Not applicable | 2,049 | 30-Jun-2010 | 15:45 | Not applicable |
| Sftsharedres.dll | Not applicable | 2,003 | 30-Jun-2010 | 15:45 | Not applicable |
| Sftsharedres.dll | Not applicable | 2,001 | 30-Jun-2010 | 15:45 | Not applicable |
| Sftsharedres.dll | Not applicable | 2,003 | 30-Jun-2010 | 15:45 | Not applicable |
| Sftsharedres.dll | Not applicable | 2,005 | 30-Jun-2010 | 15:45 | Not applicable |
| Sftsharedres.dll | Not applicable | 2,005 | 30-Jun-2010 | 15:45 | Not applicable |
| Sftsharedres.dll | Not applicable | 2,005 | 30-Jun-2010 | 15:45 | Not applicable |
| Sftsharedres.dll | Not applicable | 1,995 | 30-Jun-2010 | 15:45 | Not applicable |
| Sftsharedres.dll | Not applicable | 1,999 | 30-Jun-2010 | 15:45 | Not applicable |
| Sftsharedres.dll | Not applicable | 1,999 | 30-Jun-2010 | 15:45 | Not applicable |
| Sftsync.dll | Not applicable | 2,944 | 30-Jun-2010 | 15:45 | Not applicable |
| Sfttray.exe | Not applicable | 26,709 | 30-Jun-2010 | 15:44 | Not applicable |
| Sftuser.dll | Not applicable | 16,186 | 30-Jun-2010 | 15:45 | Not applicable |
| Sftvol2k3.sys | Not applicable | 2,063 | 30-Jun-2010 | 15:45 | Not applicable |
| Sftvollh.sys | Not applicable | 2,067 | 30-Jun-2010 | 15:45 | Not applicable |
| Sftvolxp.sys | Not applicable | 2,067 | 30-Jun-2010 | 15:45 | Not applicable |
| Sftvsa.exe | Not applicable | 13,172 | 30-Jun-2010 | 15:45 | Not applicable |
| Sgcliprv.dll | Not applicable | 3,623 | 30-Jun-2010 | 15:44 | Not applicable |
Status
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
More Information
For more information about software update terminology, click the following article number to view the article in the Microsoft Knowledge Base:
824684 Description of the standard terminology that is used to describe Microsoft software updates
For more information about Microsoft Application Virtualization 4.5 Service Pack 1 (SP1), click the following article number to view the article in the Microsoft Knowledge Base:
976338 Description of Microsoft Application Virtualization 4.5 Service Pack 1