![]() Seems that the installer for recent 7-zip versions (stable & beta) might be a little buggy - in that it may fail to unlock whatever 7-zip file that was locked, before attempting to replace the old file(s) with the new ones.Īnd apparently, uninstallation of recent 7-zip versions may go similarly awry. So what I did was to unlock & delete the old 7-zip.dll, before deleting the “tmp” extension from. tmp - which I assume aren’t typos.Įven after I opened & closed Win Explorer a couple of times, followed by terminating & restarting the explorer.exe process twice via Task Manager, 7-zip.dll refused to get itself updated to the new version. This differs from your comment vis-a-vis 7z.dll & 7z.dll. When I went to 7-zip’s install folder, I found that 7-zip.dll (7-zip’s shell extension for context menu’s right-click) was still v16.04, alongside an extra which was v18.01. Sounds similar to my experience in upgrading from 7-zip v16.04 (圆4) stable to v18.01 (圆4) stable on Win 7 圆4:Ī few seconds after 7-zip installation was completed, when I tapped the Windows key to access the Start Menu, explorer.exe unexpectedly crashed. I then closed file explorer, and re-opened it, the old 16.04 file had disappeared and the new 18.01 7z.dll was present. There was also a file 7z.dll.tmp with the new date. That was almost 2 days ago, & so far, all 7-zip operations work fine.Īfter the install finished, I went to the Z-Zip folder in Program Files and all the files except 7z.dll were dated the same. In any case, I unlocked & deleted the old DLL file, & renamed the new DLL to its rightful filename. Not sure if a reboot would’ve removed the aforementioned old DLL file. It turns out that the installer had instead renamed the new version to. Meanwhile, all files in 7-zip’s install folder are updated to the latest version - except for 7-zip.dll (shell extension) which remains the old version. But the new version is reflected at the ‘Programs & Features’ pane. This time round, surprisingly enough, 7-zip v18.01 stable‘s installer did not prompt for a reboot. And the ‘Programs & Features’ pane would continue to show the older 7-zip version. ![]() If I delayed the reboot, the system upon subsequent bootups would fail to notice that I’d installed a new version of 7-zip, even though all files in its install folder were successfully updated. If I rebooted immediately after installation, the system would register that 7-zip had been upgraded to a new version, & reflect this accordingly at the ‘Programs & Features’ pane. ![]() On my Win 7 圆4, as is my usual practice for 7-zip, I installed the new version over the existing version after making sure that 7-zip isn’t running.įor 7-zip v16.04 stable & older, the installer would always prompt for a reboot.
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