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Bulk Unblocking DLLs in Windows

This is something I've needed a couple times that has been useful. There have been a few times primarily when I'm downloading a zipped hotfix that the dlls I need to overwrite with are blocked since they've been downloaded and windows automatically marks them as blocked. This isn't that much of an inconvenience if it's 1 or 2 dlls but when we're talking about dozens this can get rather annoying.

You can, however, use the "Streams" application from SysInternals here:


Usage: streams [-s] [-d] <file or directory>

-s Recurse subdirectories.
-d Delete streams.
Streams takes wildcards e.g. 'streams *.txt'.

Just copy "Streams.exe" into the directory with the files you want to unblock and run it from the command prompt (Run as administrator) and it'll unblock everything recursively using a single command: streams -s -d *.*

I found this information and have reposted the information itself here in case the source ever goes down but still want to give credit for this info from where I found it at: Nicholas Rogoff's blog



Windows can sometimes be so annoying as it blocks many useful DLLs. You have the most admirable and the most superior papers about the problem and will try to implement it. I have faced great problems with the blocking nature of Windows and now I feel that it is no such a big problem.

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This post is really help me to know more about DLS windows. I have searched it for many websites and I don't understand it clearly. After seeing this post, I really understand the process of bulk unblocking DLLs in window

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It becomes difficult if there

It becomes difficult if there are lots of dlls to be unblocked. This technique seems to be ideal for dealing with the issue and it will avoid the confusion of repetition as well. Keep sharing more interesting stuff like this. mobile home for sale

Bulk in window

Bulk Dlls in window for accurate advice what you will need to do Prime-Assignment is to find and then close the program that is using has the dlls loaded the dlls you want to replace You cannot replace a file that is in use by Windows. You can download this free tool form sysinternals- that will tell you what currently running programs are loading the dlls you want to replace.

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I feel a lot more people need to read this, very good info! . . . . . .

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