error on startup: "Error using connector.​internal.a​utostart.r​un"

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##edit problem solved- there was a system variable defined as TEMP = "459,9" and after deletion everything works again.
upon start matlab displays following error:
Error using connector.internal.autostart.run
Cannot CD to 459,9 (Name is nonexistent or not a directory).
I tried to reinstall Matlab but it is still broken.
Maybe following querry can help:
>> which -all cd
built-in (C:\Program Files\MATLAB\R2015b\toolbox\matlab\general\cd)
C:\Program Files\MATLAB\R2015b\toolbox\matlab\iofun\@ftp\cd.m % ftp method
C:\Program Files\MATLAB\R2015b\toolbox\idelink\extensions\ticcs\@ccsdebug\cd.m % ccsdebug method
  2 Comments
Jonas Keller
Jonas Keller on 13 Jan 2016
Thanks for the fast answer, but matlab now fails to start the parpool, i get following error (do_proc.m is my current script):
Warning: Unable to calculate the dependencies of the files:
C:\Program Files\MATLAB\R2015b\toolbox\distcomp\@distcomp\nop.m
because:
Cannot CD to 459,9 (Name is nonexistent or not a directory).
> In parallel.internal.apishared.AttachedFiles.calculateAttachedFiles (line 289)
In parallel.Task/hCalculateDependentFiles (line 619)
In parallel.Task/hCalculateAndCacheDependentFiles (line 637)
In parallel.Job>@(t)t.hCalculateAndCacheDependentFiles(taskFunctionCache) (line 695)
In parallel.Job/attachRequiredFiles (line 694)
In parallel.Job/submit (line 304)
In parallel.internal.pool.InteractiveClient/start (line 330)
In parallel.Pool>iStartClient (line 547)
In parallel.Pool.hBuildPool (line 439)
In parallel.internal.pool.doParpool (line 15)
In parpool (line 89)
In parallel.internal.pool.PoolArrayManager.getOrAutoCreateWithCleanup (line 49)
In pctTryCreatePoolIfNecessary (line 23)
In distcomp.remoteparfor.tryRemoteParfor
In parallel_function (line 433)
In do_proc (line 131)

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Answers (2)

Tushar Sinha
Tushar Sinha on 15 Jan 2016
Hi Jonas,
"Error using connector.internal.autostart.run Cannot CD to 459,9 (Name is nonexistent or not a directory)."
These error messages are typically displayed when MATLAB does not have read-write access to the temporary folder. Change the permissions to this folder as an administrator and the issue should be resolved.
Thanks,
Tushar
  1 Comment
Jonas Keller
Jonas Keller on 3 Feb 2016
Thank you, Matlab on my working station has full access to all avaible folders. Furthermore I have searched my entire workingstation and the accessable intranet for a folder named '459*' and there is no such folder. Therefore I assume that I have somehow managed to tell matlab to search for such a folder (459,9K is the Temperatur many of my samples have been measured, so I had to type 459,9 very often). Can you/someone tell me where I can add such a path/how to remove it?
as Walter Roberson told me I turned off the connector, but now i am no longer able to use the parpool/parfor options

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Jonas Keller
Jonas Keller on 10 Feb 2016
push
Thank you, Matlab on my working station has full access to all avaible folders. Furthermore I have searched my entire workingstation and the accessable intranet for a folder named '459*' and there is no such folder. Therefore I assume that I have somehow managed to tell matlab to search for such a folder (459,9K is the Temperatur many of my samples have been measured, so I had to type 459,9 very often). Can you/someone tell me where I can add such a path/how to remove it?
as Walter Roberson told me I turned off the connector, but now i am no longer able to use the parpool/parfor options
  3 Comments
Walter Roberson
Walter Roberson on 10 Feb 2016
What is the result of executing
tempdir
?
What does
getenv('TEMP')
show?
Jonas Keller
Jonas Keller on 11 Feb 2016
Edited: Jonas Keller on 11 Feb 2016
>> tempdir
Error using cd Cannot CD to 459,9 (Name is nonexistent or not a directory).
Error in tempdir (line 30) curr_dir = cd(tmp_dir);
>> getenv('TEMP')
ans =
459,9
################
somehow, i have created a system variable with the value TEMP = "459,9". I have deleted this variable and now everything works fine.
Thank you all for your answers!

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