Microsoft Teams not installing on Laptop

%3CLINGO-SUB%20id%3D%22lingo-sub-1621002%22%20slang%3D%22en-US%22%3EMicrosoft%20Teams%20not%20installing%20on%20Laptop%3C%2FLINGO-SUB%3E%3CLINGO-BODY%20id%3D%22lingo-body-1621002%22%20slang%3D%22en-US%22%3E%3CP%3ECannot%20Download%20Microsoft%20Teams%20on%20Laptop.%20Getting%20the%20following%20Error%20Message.%3C%2FP%3E%3CP%3E%26nbsp%3B%3C%2FP%3E%3CP%3E2020-08-29%2013%3A12%3A22%26gt%3B%20Program%3A%20Starting%20Squirrel%20Updater%3A%20--install%20.%20--exeName%3DTeams_windows_x64.exe%3CBR%20%2F%3E2020-08-29%2013%3A12%3A23%26gt%3B%20Program%3A%20setup.json%20does%20not%20exist%3CBR%20%2F%3E2020-08-29%2013%3A12%3A23%26gt%3B%20Program%3A%20Starting%20install%2C%20writing%20to%20C%3A%5CUsers%5Cswaga%5CAppData%5CLocal%5CSquirrelTemp%3CBR%20%2F%3E2020-08-29%2013%3A12%3A23%26gt%3B%20Program%3A%20File%20does%20not%20contain%20contextual%20info%3A%20Teams_windows_x64.exe%3CBR%20%2F%3E2020-08-29%2013%3A12%3A23%26gt%3B%20UpdateManager%3A%20using%20rootAppDirectory%3A%20C%3A%5CUsers%5Cswaga%5CAppData%5CLocal%5CMicrosoft%5CTeams%3CBR%20%2F%3E2020-08-29%2013%3A12%3A23%26gt%3B%20Program%3A%20About%20to%20install%20to%3A%20C%3A%5CUsers%5Cswaga%5CAppData%5CLocal%5CMicrosoft%5CTeams%3CBR%20%2F%3E2020-08-29%2013%3A12%3A23%26gt%3B%20Program%3A%20Setup.json%20exist%2C%20copying%20over%3CBR%20%2F%3E2020-08-29%2013%3A12%3A23%26gt%3B%20RegistryService%3A%20RegKeyExists%3A%20HKEY_LOCAL_MACHINE%5CSoftware%5CMicrosoft%5CWindows%5CCurrentVersion%5CRun%20does%20not%20have%20TeamsMachineInstaller%3CBR%20%2F%3E2020-08-29%2013%3A12%3A23%26gt%3B%20Program%3A%20CheckMsiAndTryAddInstallSource%3A%20Not%20MSI%2C%20no%20need%20to%20add%20HKEY_CURRENT_USER%5CSoftware%5CMicrosoft%5COffice%5CTeams%5CInstallSource%3CBR%20%2F%3E2020-08-29%2013%3A12%3A23%26gt%3B%20SingleGlobalInstance%3A%20Failed%20to%20grab%20lockfile%2C%20will%20retry%3A%20C%3A%5CUsers%5Cswaga%5CAppData%5CLocal%5CTemp%5C.squirrel-lock-E691D0E76530DA4D30DB4AACBB8C8CBCCF58B3B7%3A%20System.UnauthorizedAccessException%3A%20Access%20to%20the%20path%20'C%3A%5CUsers%5Cswaga%5CAppData%5CLocal%5CTemp%5C.squirrel-lock-E691D0E76530DA4D30DB4AACBB8C8CBCCF58B3B7'%20is%20denied.%3CBR%20%2F%3Eat%20System.IO.__Error.WinIOError(Int32%20errorCode%2C%20String%20maybeFullPath)%3CBR%20%2F%3Eat%20System.IO.FileStream.Init(String%20path%2C%20FileMode%20mode%2C%20FileAccess%20access%2C%20Int32%20rights%2C%20Boolean%20useRights%2C%20FileShare%20share%2C%20Int32%20bufferSize%2C%20FileOptions%20options%2C%20SECURITY_ATTRIBUTES%20secAttrs%2C%20String%20msgPath%2C%20Boolean%20bFromProxy%2C%20Boolean%20useLongPath%2C%20Boolean%20checkHost)%3CBR%20%2F%3Eat%20System.IO.FileStream..ctor(String%20path%2C%20FileMode%20mode%2C%20FileAccess%20access%2C%20FileShare%20share)%3CBR%20%2F%3Eat%20Squirrel.SingleGlobalInstance..ctor(String%20key%2C%20TimeSpan%20timeOut)%3CBR%20%2F%3E2020-08-29%2013%3A12%3A23%26gt%3B%20SingleGlobalInstance%3A%20Failed%20to%20grab%20lockfile%2C%20will%20retry%3A%20C%3A%5CUsers%5Cswaga%5CAppData%5CLocal%5CTemp%5C.squirrel-lock-E691D0E76530DA4D30DB4AACBB8C8CBCCF58B3B7%3A%20System.UnauthorizedAccessException%3A%20Access%20to%20the%20path%20'C%3A%5CUsers%5Cswaga%5CAppData%5CLocal%5CTemp%5C.squirrel-lock-E691D0E76530DA4D30DB4AACBB8C8CBCCF58B3B7'%20is%20denied.%3CBR%20%2F%3Eat%20System.IO.__Error.WinIOError(Int32%20errorCode%2C%20String%20maybeFullPath)%3CBR%20%2F%3Eat%20System.IO.FileStream.Init(String%20path%2C%20FileMode%20mode%2C%20FileAccess%20access%2C%20Int32%20rights%2C%20Boolean%20useRights%2C%20FileShare%20share%2C%20Int32%20bufferSize%2C%20FileOptions%20options%2C%20SECURITY_ATTRIBUTES%20secAttrs%2C%20String%20msgPath%2C%20Boolean%20bFromProxy%2C%20Boolean%20useLongPath%2C%20Boolean%20checkHost)%3CBR%20%2F%3Eat%20System.IO.FileStream..ctor(String%20path%2C%20FileMode%20mode%2C%20FileAccess%20access%2C%20FileShare%20share)%3CBR%20%2F%3Eat%20Squirrel.SingleGlobalInstance..ctor(String%20key%2C%20TimeSpan%20timeOut)%3C%2FP%3E%3C%2FLINGO-BODY%3E%3CLINGO-LABS%20id%3D%22lingo-labs-1621002%22%20slang%3D%22en-US%22%3E%3CLINGO-LABEL%3EHow-to%3C%2FLINGO-LABEL%3E%3C%2FLINGO-LABS%3E%3CLINGO-SUB%20id%3D%22lingo-sub-1623875%22%20slang%3D%22en-US%22%3ERe%3A%20Microsoft%20Teams%20not%20installing%20on%20Laptop%3C%2FLINGO-SUB%3E%3CLINGO-BODY%20id%3D%22lingo-body-1623875%22%20slang%3D%22en-US%22%3E%3CP%3EHello%26nbsp%3B%3CA%20href%3D%22https%3A%2F%2Ftechcommunity.microsoft.com%2Ft5%2Fuser%2Fviewprofilepage%2Fuser-id%2F775687%22%20target%3D%22_blank%22%3E%40Sghosh%3C%2FA%3E%26nbsp%3B%20There%20are%20quite%20a%20few%20past%20posts%20in%20this%20community%20that%20describe%20similar%20situations%20(did%20you%20try%20searching%20there%3F).%26nbsp%3B%20Here's%20one%20to%20read%20through%3A%26nbsp%3B%3CA%20href%3D%22https%3A%2F%2Ftechcommunity.microsoft.com%2Ft5%2Fmicrosoft-teams%2Fproblems-installing-microsoft-teams-desktop-app%2Fm-p%2F179328%22%20target%3D%22_blank%22%3Ehttps%3A%2F%2Ftechcommunity.microsoft.com%2Ft5%2Fmicrosoft-teams%2Fproblems-installing-microsoft-teams-desktop-app%2Fm-p%2F179328%3C%2FA%3E%3C%2FP%3E%3C%2FLINGO-BODY%3E
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Occasional Visitor

Cannot Download Microsoft Teams on Laptop. Getting the following Error Message.

 

2020-08-29 13:12:22> Program: Starting Squirrel Updater: --install . --exeName=Teams_windows_x64.exe
2020-08-29 13:12:23> Program: setup.json does not exist
2020-08-29 13:12:23> Program: Starting install, writing to C:\Users\swaga\AppData\Local\SquirrelTemp
2020-08-29 13:12:23> Program: File does not contain contextual info: Teams_windows_x64.exe
2020-08-29 13:12:23> UpdateManager: using rootAppDirectory: C:\Users\swaga\AppData\Local\Microsoft\Teams
2020-08-29 13:12:23> Program: About to install to: C:\Users\swaga\AppData\Local\Microsoft\Teams
2020-08-29 13:12:23> Program: Setup.json exist, copying over
2020-08-29 13:12:23> RegistryService: RegKeyExists: HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run does not have TeamsMachineInstaller
2020-08-29 13:12:23> Program: CheckMsiAndTryAddInstallSource: Not MSI, no need to add HKEY_CURRENT_USER\Software\Microsoft\Office\Teams\InstallSource
2020-08-29 13:12:23> SingleGlobalInstance: Failed to grab lockfile, will retry: C:\Users\swaga\AppData\Local\Temp\.squirrel-lock-E691D0E76530DA4D30DB4AACBB8C8CBCCF58B3B7: System.UnauthorizedAccessException: Access to the path 'C:\Users\swaga\AppData\Local\Temp\.squirrel-lock-E691D0E76530DA4D30DB4AACBB8C8CBCCF58B3B7' is denied.
at System.IO.__Error.WinIOError(Int32 errorCode, String maybeFullPath)
at System.IO.FileStream.Init(String path, FileMode mode, FileAccess access, Int32 rights, Boolean useRights, FileShare share, Int32 bufferSize, FileOptions options, SECURITY_ATTRIBUTES secAttrs, String msgPath, Boolean bFromProxy, Boolean useLongPath, Boolean checkHost)
at System.IO.FileStream..ctor(String path, FileMode mode, FileAccess access, FileShare share)
at Squirrel.SingleGlobalInstance..ctor(String key, TimeSpan timeOut)
2020-08-29 13:12:23> SingleGlobalInstance: Failed to grab lockfile, will retry: C:\Users\swaga\AppData\Local\Temp\.squirrel-lock-E691D0E76530DA4D30DB4AACBB8C8CBCCF58B3B7: System.UnauthorizedAccessException: Access to the path 'C:\Users\swaga\AppData\Local\Temp\.squirrel-lock-E691D0E76530DA4D30DB4AACBB8C8CBCCF58B3B7' is denied.
at System.IO.__Error.WinIOError(Int32 errorCode, String maybeFullPath)
at System.IO.FileStream.Init(String path, FileMode mode, FileAccess access, Int32 rights, Boolean useRights, FileShare share, Int32 bufferSize, FileOptions options, SECURITY_ATTRIBUTES secAttrs, String msgPath, Boolean bFromProxy, Boolean useLongPath, Boolean checkHost)
at System.IO.FileStream..ctor(String path, FileMode mode, FileAccess access, FileShare share)
at Squirrel.SingleGlobalInstance..ctor(String key, TimeSpan timeOut)

1 Reply
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Hello @Sghosh  There are quite a few past posts in this community that describe similar situations (did you try searching there?).  Here's one to read through: https://techcommunity.microsoft.com/t5/microsoft-teams/problems-installing-microsoft-teams-desktop-a...