Access denied when using SyncLock/lock

Asked Nov 12 '12 at 14:05

Active Nov 12 '12 at 14:05

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This error is not common and I have so far found this on one computer only. It can be reproduced but I do not have the develop environment on that computer. The error appears when calling SyncLock/lock on an object.

What could create this kind of error?

System.UnauthorizedAccessException: Access is denied. (Exception from HRESULT: 0x80070005 (E_ACCESSDENIED))
   at System.Threading.Monitor.Enter(Object obj)

asked Nov 12 '12 at 14:05

serializer

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I assume you are trying to lock on obj? why not create a new instance of obj somewhere in the start and do a lock(obj){...} – Ganesh R. Nov 12 '12 at 14:10
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that is intriguing; any more context on what the object is that you're using for the lock token? – Marc Gravell Nov 12 '12 at 14:12
Throw away the machine. Spending the time to try to diagnose *that* isn't worth it. – Hans Passant Nov 12 '12 at 14:39
The lock is on a normal new object: Private LockWaitQueue As New Object Lock is called through: SyncLock LockWaitQueue – serializer Nov 12 '12 at 15:10
Does the exception occur at a specific time such as when a thread or process is starting or stopping? – tHand Nov 14 '12 at 02:18
Yes, it occurs right after starting a process. – serializer Nov 14 '12 at 15:44

Access denied when using SyncLock/lock

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