{"id":562,"date":"2020-04-02T13:18:01","date_gmt":"2020-04-02T04:18:01","guid":{"rendered":"https:\/\/hirake.link\/?p=562"},"modified":"2023-09-12T16:22:03","modified_gmt":"2023-09-12T07:22:03","slug":"invalid-namespace-01","status":"publish","type":"post","link":"https:\/\/hirake.link\/en\/invalid-namespace-01\/","title":{"rendered":"Creating a Script to Simplify &#8220;Invalid Namespace&#8221; Error Resolution"},"content":{"rendered":"\n<p>I started encountering the &#8220;Invalid Namespace&#8221; message when running certain programs. While I managed to find solutions through research, creating BAT files for those processes felt a bit cumbersome. So, I decided to create a PowerShell script to automate these tasks.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Resolution Method<\/h2>\n\n\n\n<h2 class=\"wp-block-heading\">Disclaimer<\/h2>\n\n\n\n<p>Before proceeding, please use this script at your own risk.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Symptoms<\/h3>\n\n\n\n<p>Here are the symptoms I experienced:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>&#8220;Invalid Namespace&#8221; error occurring in specific programs.<\/li><li>The &#8220;Windows Management Instrumentation&#8221; service is running.<\/li><li>Opening wmimgmt.msc, right-clicking on &#8220;WMI Control,&#8221; selecting &#8220;Properties,&#8221; and going to the &#8220;Advanced&#8221; tab showed that the &#8220;Default namespace for scripts&#8221; was marked as &#8220;Not Available,&#8221; and the &#8220;Change&#8221; button was grayed out. <\/li><\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Solution<\/h3>\n\n\n\n<p>Although I don&#8217;t fully understand it, one of the causes of the &#8220;Invalid Namespace&#8221; error is a corrupted WMI repository.<\/p>\n\n\n\n<p>To address this, we can retrieve a list of MOF files from HKLM\\Software\\Microsoft\\WBEM\\CIMOM\\Autorecover MOFs in the registry. Then, we&#8217;ll compile these MOF files using mofcomp.exe and register them in the WMI repository to facilitate recovery.<\/p>\n\n\n\n<p><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">steps<\/h3>\n\n\n\n<ol class=\"wp-block-list\"><li>Type &#8220;PowerShell&#8221; in the menu, right-click the displayed icon, and select &#8220;Run as administrator.&#8221;<\/li><li>Copy and paste the code below into the PowerShell window and press Enter.<\/li><li>Wait until you see messages like &#8220;Parsing MOF file,&#8221; &#8220;MOF file has been parsed,&#8221; &#8220;Storing data in the database&#8230;,&#8221; and &#8220;Completed&#8221; repeating multiple times. Once it stops, the process is complete.<\/li><\/ol>\n\n\n\n<pre class=\"wp-block-code\"><code>(Get-Item -Path \"Registry::HKLM\\Software\\Microsoft\\WBEM\\CIMOM\\\").GetValue(\"Autorecover MOFs\") | % {mofcomp.exe  $_} <\/code><\/pre>\n\n\n\n<script src=\"https:\/\/gist.github.com\/kero-hira\/0ba381824acf74f3a147ee8ff94089d0.js\"><\/script>\n\n\n\n<h3 class=\"wp-block-heading\">What&#8217;s Happening Inside<\/h3>\n\n\n\n<ol class=\"wp-block-list\"><li>Retrieving a list of MOF files from the registry.<\/li><li>Executing mofcomp.exe with each of these files as arguments.<\/li><\/ol>\n\n\n\n<h2 class=\"wp-block-heading\">Conclusion<\/h2>\n\n\n\n<p>While this should resolve the issue, there might be cases where it doesn&#8217;t work. In such situations, consider exploring alternative solutions.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>I started encountering the &#8220;Invalid Namespace&#8221; message when running certain programs. While I managed to find solutions through research, creating BAT files for those processes felt a bit cumbersome. So, I decided to create a PowerShell script to automate these tasks. Resolution Method Disclaimer Before proceeding, please use this script at your own risk. Symptoms [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":245,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_locale":"en_US","_original_post":"https:\/\/hirake.link\/?p=138","footnotes":""},"categories":[1],"tags":[23],"class_list":["post-562","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized","tag-powershell","en-US"],"_links":{"self":[{"href":"https:\/\/hirake.link\/wp-json\/wp\/v2\/posts\/562","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/hirake.link\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/hirake.link\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/hirake.link\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/hirake.link\/wp-json\/wp\/v2\/comments?post=562"}],"version-history":[{"count":9,"href":"https:\/\/hirake.link\/wp-json\/wp\/v2\/posts\/562\/revisions"}],"predecessor-version":[{"id":3041,"href":"https:\/\/hirake.link\/wp-json\/wp\/v2\/posts\/562\/revisions\/3041"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/hirake.link\/wp-json\/wp\/v2\/media\/245"}],"wp:attachment":[{"href":"https:\/\/hirake.link\/wp-json\/wp\/v2\/media?parent=562"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/hirake.link\/wp-json\/wp\/v2\/categories?post=562"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/hirake.link\/wp-json\/wp\/v2\/tags?post=562"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}