Troubleshooting Problems Opening ISTR Files
Common Problems Opening ISTR Files
IsoStar Library of Intermolecular Interactions is Not Installed
When you double-click your ISTR file, you may see a dialog box from your operating system stating that it "Cannot Open This File Type". If this is the case, it's usually due to the fact that you do not have IsoStar Library of Intermolecular Interactions for %%os%% installed on your computer. Because your operating system doesn't know what to do with this file, you won't be able to open it by double-clicking.
Tip: If you know of another program that can open your ISTR file, you can try opening it by selecting the application from the programs listed.
Wrong Version of IsoStar Library of Intermolecular Interactions is Installed
In some cases, you might have a newer (or older) version of a IsoStar Library of Intermolecular Interactions file that is unsupported by your installed application version. If you do not have the proper version IsoStar Library of Intermolecular Interactions (or any of the other programs listed above), you may need to try downloading a different version of it, or one of the other software applications listed above. This problem is most common when you have an older version of the software application, and your file was created by a newer version that it cannot recognize.
Tip: Sometimes you can get a clue about the version of ISTR file you have by right clicking on the file, then clicking on "Properties" (Windows) or "Get Info" (Mac OSX).
Summary: In either case, the majority of problems opening ISTR files are related to not having the correct software application installed on your computer.
Other Causes of ISTR File Opening Problems
Although you might already have IsoStar Library of Intermolecular Interactions or another ISTR-associated software installed on your computer, you can still encounter problems opening IsoStar Library of Intermolecular Interactions files. If you are still having problems opening ISTR files, there may be other issues that are preventing you from opening these files. These other problems include (listed in order from most to least common):
- Invalid ISTR file references in the Windows Registry (the "phonebook" of the Windows Operating System)
- Accidental deletion of the description of the ISTR file in the Windows registry
- Incomplete or bad installation of a software application associated with the ISTR format
- Your ISTR file is corrupted (issues with your IsoStar Library of Intermolecular Interactions file itself)
- Your ISTR is infected with malware
- Device drivers of the hardware associated with your ISTR file are corrupt or out-of-date
- Your computer does not have the adequate system resources to open the IsoStar Library of Intermolecular Interactions format
Poll: What file extension do you use the most often?
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